How to optimize your case airflow!

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JayzTwoCents

JayzTwoCents

Жыл бұрын

Today we talk about the easy way to balance the airflow inside your case! Poor airflow or optimization can lead to higher than necessary temps.
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Пікірлер: 2 700
@PLr1c3r
@PLr1c3r Жыл бұрын
Hey Jay fan curve tuning would be a big hit with novice builders.
@DubboU
@DubboU Жыл бұрын
He did that a short while ago already.
@mikeyp916
@mikeyp916 Жыл бұрын
Not really an official guide, but my method has always been set the minimum to the lowest rpm where the fans start to become noticably audible. I then plot a linear chart up to 100% fan speed at about 5c before the highest temperature on the component that I'm willing to tolerate. I find most of the time this keeps the fan at or close to the minimum while allowing a linear ramp up when thermals start to increase.
@ZeWildwicky
@ZeWildwicky Жыл бұрын
How to tune fan curve. 1) go to bios, 2) find fan curve, 3) set to 100% 4) cewling 💨❄️
@jondonnelly4831
@jondonnelly4831 Жыл бұрын
Yeah for sure, my old rig ROG strix B550-E fan curve at defaults was perfect but my new build Gigabyte Aorus Pro AX B650 even the silent curve sounds like a friggen server farm and custom curve was absolutely required. Thankfully that board saves the curve profiles separate for the main bios so if u have to flash or reset it it keeps it and even export to usb !
@legendaryx590motherboard6
@legendaryx590motherboard6 Жыл бұрын
I've always wished I could set the fan curve for case fans by gpu temperature.
@IndianGamer001
@IndianGamer001 Жыл бұрын
I'm genuinely learning a lot more about my system dust issue today than ever before. Thank you, Jay
@jondonnelly4831
@jondonnelly4831 Жыл бұрын
Just get a pc blower and blow it out once every couple of months to keep it fresh. I run no fan filters, they add noise, they cost airflow, they cause higher temps. Clean it!
@IndianGamer001
@IndianGamer001 Жыл бұрын
@@jondonnelly4831 I do that regularly but what I didn't notice was in-take v exhaust balance and I just finished setting it and it is cooling much better than before. I put in-take at 75% and exhaust at 60%. I'm still working on the exact numbers, but this gives an important insight about how to keep system cool with a little tweak. Thanks to Jay.
@tricky.pixels
@tricky.pixels Жыл бұрын
@@IndianGamer001 Yes!! well said...
@IndianGamer001
@IndianGamer001 Жыл бұрын
@@mikem9536 that's what happening and with the help of this video I am able to resolve it by setting neutral pressure.
@F4ze0ne
@F4ze0ne Жыл бұрын
Postive pressure. No dust issues.
@sma92878
@sma92878 Жыл бұрын
I've been building my own PC for about 30 years, but I haven't updated my rig in about 5 years. I love all the great content around airflow, parts, and this video specifically was very helpful. Keep up the great (educational) work.
@badabing8152
@badabing8152 Жыл бұрын
It shouldn't take you 30 years to build a pc bro
@RainyFoxUwU
@RainyFoxUwU Жыл бұрын
​@@badabing8152I bet it's the coolest PC ever
@TamalPlays
@TamalPlays Жыл бұрын
@@badabing8152 he is learning.
@VITAS874
@VITAS874 11 ай бұрын
​@@RainyFoxUwUits truly best. There is one person who has been taking care of his PC for 30 years.
@joelfernando1
@joelfernando1 10 ай бұрын
I build the first computer for the nazis.
@KrakkenMD
@KrakkenMD 11 ай бұрын
I just built my first PC and these videos have been so helpful! This looks like the case I bought as well, Fractal Pop, so the demonstration was extra valuable for me
@bayze2449
@bayze2449 Жыл бұрын
I'm an HVAC Tech. and its impressive how much you know about CFM and Positive, negative, neutral pressure. I know it's because your in the industry but it seems as tho you've also done your homework. And this is why I love your channel. Thanks for the video Jay. Very helpful for people who don't know how to do this. I HOPE people know this and it didn't have to be said but DON'T USE YOUR VAPE to test for the pressure in your system. It's vapor, it will stick to the components. Use an incent, it will not harm the system. Just saying this cuz I know how popular vape is right now and people might attempt this and not realize its a vapor...it's sticky...its not good.
@The1PatSmith
@The1PatSmith Жыл бұрын
You could say your components will come to a sticky end 😊! Greets from New Zealand 🍻
@SupraSav
@SupraSav Жыл бұрын
Noticing this.. been vaping in my room the past couple of years. Noticed this molasses like stuff on the fans blades during quarterly clean up.. inside still looks mint though.
@brkbtjunkie
@brkbtjunkie Жыл бұрын
@@SupraSav that’s from your bong bruh
@rhoadsy
@rhoadsy Жыл бұрын
I like to call vape pens, douche flutes.
@isatntt
@isatntt Жыл бұрын
@@rhoadsy this comment screams boomer lmao
@Rhynri
@Rhynri Жыл бұрын
This is why I love having an Aquaero in my build. The level of control and monitoring it gives you really lets you experiment and monitor everything together to see the effect of little changes to RPM. They also have the ability to make synthetic sensors from multiple inputs and use those.
@fermitupoupon1754
@fermitupoupon1754 Жыл бұрын
Same for the OCTO. Aquasuite and it's Playgound and PID controls is just a league beyond anything else. It's one of those things that once you've used it there's just no way back.
@Mandalorian_Man
@Mandalorian_Man Жыл бұрын
Glad you mentioned RPM. In doing research for my PC build I was surprised to see RPM not mentioned much, I always thought that was an obvious solution.
@dlkramer88
@dlkramer88 11 ай бұрын
7:15 - whether it's set up as intake or exhaust, you will still have a certain amount of flow eddy loss with the grate next to the fan. Thanks for the great content!
@jasonbrunskowski2625
@jasonbrunskowski2625 Жыл бұрын
Would love to hear some more specifics on this topic. Such as: - Fan curve optimization - How an air cooler fan orientation would affect air flow - How each of the pressures affect the life of a fan - How RPM importance does or does not change with fans built for static pressure - And more I've always preferred air cooled systems over water cooled simply for the ease of maintenance. Water cooled systems can perform better and look amazing, but if something needs to be worked on, it seems that air cooled systems are easier. Thanks for the information, always appreciate it.
@Just_Call_Me_Tim
@Just_Call_Me_Tim Жыл бұрын
I went with an aio for the Intel build I did last fall. I'm re-housing everything into a slightly larger case (NR200 from Dan A4 H2O) and going back to air cooled. I'm a trucker by trade, and the aio just had me nervous as hell. The reduced airflow in the truck made passively cooled components run warmer, and I've managed to kill my boot drive (Samsung EVO 970 NVMe M.2 or whatever number) probably from the ambient temps being too high in that case. I'm going back to air cooling and even going with a bigger case than I'd prefer just to make it happen (and hopefully not kill any more components).
@therealkoga2519
@therealkoga2519 Жыл бұрын
@@Just_Call_Me_Tim can just use a torrent nano, that single 180 gives insane positive airflow. Compact torrent is my recommendation tho as its more foolproof for upgrades.
@MGsubbie
@MGsubbie Жыл бұрын
"but if something needs to be worked on, it seems that air cooled systems are easier." My experience has been the exact opposite. I have my radiator mounted at the front panel, which is mesh. The only thing on my motherboard is the contact plate and the liquid housing overit, everything else is open for me to work on. So much easier than a massive air-cooler like an NH-D15. I don't even have to remove the contact plate to clean out the radiator.
@SnifferSock
@SnifferSock Жыл бұрын
Good topics. I've got a big dual tower air cooler but the weight Hanging off the mobo makes me a little uneasy. The problem is, air coolers never go bad and fans can be replaced in 15 minutes. AIO are awesome but knowing they eventually run low on fluid bothers me. Plus more points of failure.
@thepathnotfound
@thepathnotfound Жыл бұрын
I like and have run both but last build went with a Noctua nh-12a which is a twin tower but not as massive as the D15 and has good ram clearance. I worked computer infrastructure at a smelting company that ran 24/7 all of our servers and shop floor computers have air coolers.
@DKTD23
@DKTD23 Жыл бұрын
I always like when we revisits these topics because of all of the different case designs that keep launching. Thanks for this one!
@dayvid589
@dayvid589 Жыл бұрын
Jay, you do a very good job of simplifying and explaining these type of things. Awesome video!!
@cmdr_talikarni
@cmdr_talikarni 8 ай бұрын
A lot of people forget about their power supply fan. Depending on the PSU orientation, it may be pulling air from inside the case and pushing it out, so 2 in the front, 1 out the rear, 1 out the PSU, so it becomes close to neutral. Luckily some cases (like the one Jay is showing here) have it turned so the PSU intake pulls from outside and exhausts back out right away with minimal/no air from inside the case.
@vladimirlenin4512
@vladimirlenin4512 Ай бұрын
Hehe my PSU is upside down. Cuz it suck air from the bottom of the case and blow it backward without affecting case airflow
@funbucket09
@funbucket09 Ай бұрын
​@@vladimirlenin4512thanks for repeating the second half of old mates comment. I needed to hear it twice for it to sink into my brain.
@bmsuperstar1
@bmsuperstar1 2 күн бұрын
Just like with names.
@kizunadragon9
@kizunadragon9 Жыл бұрын
little side note about Positive Air pressure. it will turn your computer case into a mini clean room, provided you have proper dust covers on your intake. The advantage there is no particles can enter your system keeping it mostly dust and dirt free. The small particles and smoke (smoke is notoriously small) will still get in from the intake.
@RmX.
@RmX. 2 ай бұрын
I remember my PC from 2001 with 2cm thick dust everywhere inside. There was no intake fans at all
@Just_Call_Me_Tim
@Just_Call_Me_Tim Жыл бұрын
Great content, as usual, Jay & Co! As someone who's tried to do the liquid cooling thing with 12th Gen Intel in a Dan A4 H2O case, I can tell everyone here that you still need good airflow for all the passively cooled components. Liquid cooling is badass for the components on the loop, but you still have to keep air flow over your board. This is especially true if you've got M.2 drives... I'm re-housing my system in an NR200 to have more room for airflow, and because I've managed to straight murder my boot drive. Live and learn, huh? That and stupidly (almost) lose almost 2 TB of stuff (had it all backed up already, but still miffed that I've got to go back to the drawing board). Having a computer building hobby as an OTR trucker isn't easy.
@RevFilmore
@RevFilmore Жыл бұрын
Good reminder, I will re-attempt water, thought board devices might be an issue. M.2 surprises me, though, I got one in a slot card under the gpu so not exactly in a well ventilated space, smart values are A-ok. Transcend TLC. May I ask, what make/model was yours? Did SMART readings confirm temp spiked?
@agrimshaw92
@agrimshaw92 10 ай бұрын
That tip about using an incense stick to check your vents is extremely useful, just found 1 tiny vent in the back of my case that pulls in about 2% of the smoke that goes by it. Time to completely redesign my setup!
@WarBirdx
@WarBirdx 3 ай бұрын
XD
@pasikokkonen1603
@pasikokkonen1603 Жыл бұрын
Slightly positive pressure is the best as fans are designed to push against a "load". Load in this case, being the air mass. You can find a fan spec called "back pressure" and that indicates how much pressure the fan can create or push against. When you have a positive pressure inside the computer case, or any other electronic device, it also means that the impedance match between fan wings and the air is better and this reduces noise, sometimes by a considerable margin. I work with this constantly on my field of pro audio devices and optimizing the cooling vs airflow vs noise is a constant battle.
@mk45232
@mk45232 11 ай бұрын
Thanks for this info dude, got my new fans cooling my rig perfectly and silent as well
@kxno8302
@kxno8302 10 ай бұрын
For beginners, don’t worry. You’ll figure it out in time.
@uthopia27
@uthopia27 9 ай бұрын
So whts the slight positive setting for case with 3 front , 2 top and 1 back fan ??
@uthopia27
@uthopia27 9 ай бұрын
@@harrikirvesniemi9685 only the back one is smaller
@189Blake
@189Blake 6 ай бұрын
Can I ask which pro audio company do you work for? It sounds like and interesting job
@BaneSIlvermoon
@BaneSIlvermoon Жыл бұрын
I've always used cheap thin tissue paper to test pressure. Let it dangle flat in front of the gaps in your case and it will get pushed away or pulled towards the gap depending on which way the air is flowing. The hard part with case pressure is factoring in fan curves. Pressure may be very different under high load.
@manuelcastle
@manuelcastle Жыл бұрын
Can I use painters tape to fill in the gaps?
@sgt.bonkers8706
@sgt.bonkers8706 Жыл бұрын
@@manuelcastle yes, you can, but you don't want to. besides looking fugly, if you happen to create negative pressure in your case, and seal off any gaps your case has, the only way in for air is via your intake fans, and the only way out is your exhaust fans. problem is, you already take more air out than you take in, because your intake is underperforming, and if pressure in your case gets too low, atmospheric pressure will push back against your exhaust fans more and more, until an equilibrium is created. since your underperforming intake will still suck air in, air in your case keeps moving and cooling, but you waste energy, because your exhaust is capped at the amount of work your intake performs. Now, that energy waste doesn't sound too bad, but it adds up, and additionally, the constant backpressure your exhaust fan needs to work against increases mechanic stress and might cause it to age faster / break sooner. None of this would be catastrophic for your system, but since it just takes a few mouse clicks for rpm curve adjustments and a couple of lines to read about airflow optimization, it would be a shame to not avoid it.
@Milaweak
@Milaweak 10 ай бұрын
I use Argus monitor for fan curves, it's amazing
@shiveringisles3509
@shiveringisles3509 8 ай бұрын
Jay uses 3x incense, I think that's overkill, 1x incense is sufficient :P
@Qassu78
@Qassu78 Жыл бұрын
Really good and important basic information. Keep doing these, I bet there are a lot of people who can use this kind of tutorials. Keep 'em coming!
@ludakriss9094
@ludakriss9094 6 ай бұрын
The incense is a clever idea to test air flow. Thank you for sharing creative approaches.
@SaltyStarfruit
@SaltyStarfruit Жыл бұрын
as an air cooling purist; this kind of information is SO useful to both people like me, who might need a refresher by the time we end up messing with our configs again, and new people in the PC game who want to make sure they get the most out of their system and have it as optimized as possible!
@MalkavX
@MalkavX Жыл бұрын
I recently switched from an old NXZT case to a Lian Li and had been wondering about air flow optimization and this is just such a welcomed video. Thanks a lot.
@TheChartreuseLeprechaun
@TheChartreuseLeprechaun Жыл бұрын
Thanks for all you do for us, Jay!!! (and team) Deliberately built a positive pressure case based on your other videos. Eventually ended up with 2 120 in on the front, 1 140 in on the side, 1 90 out on the back, and 1 120 out on the top. The temp difference was stunning.
@Yengineered
@Yengineered Жыл бұрын
Did you use anything to test for positive air pressure like a piece of paper? It must have been tedious to optimise.
@TheChartreuseLeprechaun
@TheChartreuseLeprechaun Жыл бұрын
@@Yengineered it took some time. wish I'd thought about using incense. But, matches and smoking paper work, too. I still tweak the fan curve from time to time...even after 2 years. but yeah. I have slight positive air flow.
@italocor7
@italocor7 Жыл бұрын
YES! FINALLY FOUND SOMEONE TALKING ABOUT IT! The only one that i saw talking about it was from 5 years ago..... thanks mate!
@jayhendrix7343
@jayhendrix7343 11 ай бұрын
I found a vid you made long ago about pressurization/airflow & it helped me. Found this vid and sent it to a friend that was asking me about how to go about it. Great vid 😁👌
@DoctorPPants
@DoctorPPants Жыл бұрын
Airflow is often overlooked. Thanks for taking the time to explain!
@2unruly
@2unruly Жыл бұрын
Great video and just on time. I'm getting ready to get a new case for better airflow. This really helps in figuring out fan configurations....
@andershansen5662
@andershansen5662 2 ай бұрын
Excellent video. Been thinking a lot about this. specially towards dust and filters. That incense-hint is truly awesome, thank you!
@Phenorius
@Phenorius Жыл бұрын
I needed that refresher! Thanks jay!
@pyromethious
@pyromethious Жыл бұрын
Don't forget that you can control the fan headers in the BIOS as well. If you have a smart enough motherboard, then you may have a Windows based software that allows for BIOS control, meaning that you can do this while it's running. When planning my last build, I made sure to match 1:1 my fans for in/out so that I knew it would be a constant flow of air.
@V.D.22
@V.D.22 Жыл бұрын
yes. Many motherboards can control the speed even for 3 wired fans, which used to run at fixed speeds.
@Crazy_Cakes
@Crazy_Cakes Жыл бұрын
thanks you for this comment I just changed my settings
@sypherian1982
@sypherian1982 Жыл бұрын
Yup I like setting my fan curves in the BIOS 100 times better that some of that shitty motherboard software in windows, it has not let me down yet :-)
@ElHyperion
@ElHyperion Жыл бұрын
I've had bad experience tuning it in BIOS, where for example my ASUS board lets me auto tune fans which sets the min fan RPM to 30% for example, but manually tuning it won't let me set the fans as low for some unknown reason and tells me any value below 60% is not valid. Not even BIOS update fixed that.
@Dukitek
@Dukitek Жыл бұрын
Excellent lesson professor. Would love to see more of those videos. Like JayzTwoLessons, where you would give two videos/lessons about topics like this, system optimisation, fan curve, fan orientation etc.
@thelifeof-joe
@thelifeof-joe 17 күн бұрын
The best airflow explanation on YT definitely! Thx man
@alexleon8406
@alexleon8406 8 ай бұрын
Great video. I have the Lian li lancool 3 with 3 120 front intake fans and an 360 aio top mounted with 3 120 fans as exhaust. I set my front fans to a higher fan curve profile and my exhaust fans to a lower fan curve profile. It helped a lot with cooling.
@amanwithaplan4369
@amanwithaplan4369 7 ай бұрын
What kinda case do you use?
@TheoreticalApex
@TheoreticalApex Жыл бұрын
A detailed fan curve tuning video with that awesome fan control software you showed us recently would be great! I have all my fans set to “mix” in that software but I’m not sure how I would separately rune the intake and exhaust fans to control the pressure.
@mrtrikxx
@mrtrikxx Жыл бұрын
Hey man, what software is this?
@GeekBoyMN
@GeekBoyMN Жыл бұрын
Great video Jay! Something I learned over the years in building maintenance and dealing with HVAC issues now and then plus PC building is about what your air is flowing through. That case and most of the ones I've had over the years have that flat perforated metal partially blocking the air flow to or from the fans. I cut that out and install the chrome metal finger guards so the air can flow freely and turbulence noise is reduced. None of those areas are visible so from the outside the case looks fine but everything inside stays cool and I can sleep with the PC running and barely hear anything. I know, that would offend the flashy RGB crowd nowadays with their clear cases so there would have to be some compromise between looks and function.
@andrewr7820
@andrewr7820 6 ай бұрын
This. I modded the front fan mount on a Corsair H500 case because the mount blocked like 15-20% of both intake fans' inlets. Given that the case shipped with 200mm fans, having a mounting plate that supports 120 and 240mm fans was pretty ridiculous. Switched to Fractal Torrent full tower for my Threadripper 3960 air-cooled CPU build. Sorted now.
@FiliusFidelis
@FiliusFidelis 4 ай бұрын
I like cases with BIG fans, my current one has 2 200mm fans in the front.
@ericdriggans4262
@ericdriggans4262 Жыл бұрын
I am about to start my first build. These videos recently have been perfect timing! Thanks!!!!
@nahuelcarrizo308
@nahuelcarrizo308 Жыл бұрын
This is exactly the information I needed, I'm planning on getting a new case with extra fans since the one I have was used for a Windows XP machine... Thank you Mr Jay
@TheRobstar1983
@TheRobstar1983 Жыл бұрын
I have the fractal torrent for almost 1 year now. It's a very good choice, if you go for an air cooled system. It has the top of the case closed off and positive pressure. This means you will have very little dust build up.
@nahuelcarrizo308
@nahuelcarrizo308 Жыл бұрын
@@TheRobstar1983 they don't sell it here in Argentina, and buying it overseas is very expensive... I was thinking about getting "matrexx 40" and add 2x140mm or 3x120mm to the front along the 120mm rear fan, since it's the best thing I could find for a thight budget
@lance5101
@lance5101 Жыл бұрын
I took some extra temp probes with my Corsair module and put them in the top of the case, bottom of the case, and wiring compartment. Its amazing how different they all are within 24" of each other.
@Braunschweiger89
@Braunschweiger89 7 ай бұрын
i just want to point out that the reaction to the dewalt electric leaf blower was incredible. Love your channel dude.
@billdevine1270
@billdevine1270 Жыл бұрын
I really like your video's and your expertise building quality water blocks. Thank both of you.
@WebeloZappBrannigan
@WebeloZappBrannigan Жыл бұрын
14:06 One thing worth mentioning about cases with 90° rotated motherboard orientations, i.e. cases where the GPU is vertical with their rear i/o pointing upwards, is that most modern GPUs have such long heatpipes that it can create issues with the coolant inside the heatpipes not being able to wick / make its way back to the hot side of the GPU heatsink (which is closer to the rear i/o). Older GPUs by and large weren't as sensitive to orientation and any negative effects may well have been offset by the cooling advantages that something like the mighty Silverstone FT02 offered... but these modern GPUs are a different beast and some just cannot be cooled easily unless they're laying flat, with their immense weight sagging against the PCIe slot.
@AutumnGracy
@AutumnGracy 6 ай бұрын
That's what GPU supports are for, my friend
@benb2464
@benb2464 Жыл бұрын
Nice. Feels like that was the part 1, should have a part 2 where you show the Bios settings, talk voltage vs PWM, consider to ramp or step fan speeds, etc. With some really good case fans (Noctua and Be Quiet!) you can get a lot of air movement without much noise, where as a cheapie 5 pack of Artic P12's can be a bit hummy if you don't manage the RPM around their resonances.
@Yengineered
@Yengineered Жыл бұрын
I really like motherboards that have a fan smoothing profile. Now that CPUs are boosting so aggressively, my old computer would go "Moo" every few minutes because it didn't have a fan smoothing profile. My newest build has it, and it's quiet throughout normal usage and only rams up when it's under heavy load. The heatsink can absorb the thermal spikes pretty effectively.
@infiniteblaz3416
@infiniteblaz3416 Жыл бұрын
@@YengineeredThis is why I have my fans step up in 12 second intervals (the lowest amount of time on my chassis fans).
@brudel001
@brudel001 Жыл бұрын
I hear you man. The Arctic P12's are very good fans for value but the resonance is horrible when using smooth curve and it keeps changing the rpm. So step speed is a must to get some peace of mind - something like 700rpm on idle up to 50C CPU temp and then step up to like 1200rpm from there and stay there up to 70C. Obviously it also depens on the specific CPU used and what are thats CPU temps unders certain scenarios. But generally with arctics the default smooth curve sucks.
@oscargranath93
@oscargranath93 Жыл бұрын
@@brudel001 do you have a link to a good video on how to do this? I have five P12 fans in a Deepcool CH510 digital mesh with an Asrock B650E + Ryzen 7600X
@brudel001
@brudel001 Жыл бұрын
@@oscargranath93 hey, first of all gongrats on having Ryzen 7'th series 😁 Unfortunately I don't have link to the video with specific tutorial. Basically with ASrock you should have in bios something like FAN-tastic tuning tab where you can do the setup - if you search the google you can find the image. So in that menu on the bottom horizontally are temps and left side vertical is fan percentage. At the top theres the drop down menu where you can select what fans you are wanna tweak - default is CPU so you should select something like SYSFAN1 or whatever you have the casefans connected to. Easiest would be if you have arctic PST fans so you can daisy chain the fans together and just use one fan header on the motherboard and alter all the fans together. Otherwise your case might have a fanhub or you can use splitter cables. As for specific settings it depends on your CPU cooler and behaviour - what are the usual idle temps - what are the gaming temps. I have an Intel 12700K that idles around 25C and when gaming it goes allmost to 60C. So my setup for arctic casefans is that on 20/30/40/50C its 35% of fanspeed. Then at 50/60/70C its 60% of fanspeed. And up from that its a smooth curve since the fans would be so loud anyway that it doesn't matter anymore but mine never reaches that so its unimportant. So the 35% is for desktop usage, surfing, watching videos etc. The latter is for gaming or other heavy usage. One thing that I would say is that I would use more fans in that case - either 3 intakes and 3 exhaust or 4 and 4. And what I would suggest to everyone is to use rear exhaust fan even if using top AIO because rear exhaust is the main fan to pull awat the heat generated by backside of the high end graphics cards. Also if possible use vertical mount for the GPU - its should lower GPU temps around 3-5C. It may not sound much but since GPU's are hot anyway it just might be the difference if the GPU ramps up the fans even higher under load or not.
@kennethmorris1571
@kennethmorris1571 10 ай бұрын
Thanks! I bought an Optiplex SFF pre-built and upgrading it. This helps a lot.
@denisgehlhaar8902
@denisgehlhaar8902 Ай бұрын
Love your videos and tips. It made me even return to building my own gaming pc wich was more fun then i expected.
@asdf51501
@asdf51501 Жыл бұрын
Good informative video! Another good topic might be the appropriate usage of static pressure vs airflow oriented fans.
@henryj.8528
@henryj.8528 Жыл бұрын
I think you might be seeing more dust build up associated with various openings because the airflow though them is slower than from fans and the dust has more time to deposit. Quickly moving air in and out would result in less dust. Filtering the intake fans would also reduce dust but for the fact that air filters require lots more differential pressure than muffin fans can produce. I put a HEPA filter near my PC so it's in a "clean air envelope." You can visualize airflow in and out of the case using a punk (used to light fireworks) or an incense stick. It's good to have fans on all of the heat sinks in addition to fans to move cooling air in and out. I run nine fans in a Corsair Air case and run them aggressively. I'm editing video and the fans don't bother me. And if I let the chips or cards get hot, everything slows down.
@luisenriquemunoz8793
@luisenriquemunoz8793 8 ай бұрын
This is very informative and straight to the point! Thank you very much!
@Lucas2RC
@Lucas2RC 11 ай бұрын
Very helpful topic. Insane how I never thought much of it. Thanks
@MrReese
@MrReese Жыл бұрын
2:15 most likely because of where the "official measurement" comes from. Just look at rim sizes for cars or display sizes. When an industry set a standard that has been widely used from the beginning it's kinda difficult to undo this. That being said, here in EU we also use m³/h (cubic meters per hour).
@v1nd1c4r3
@v1nd1c4r3 Жыл бұрын
m³/h is the SI unit for volumetric flow rate so as official as it gets. Last time I checked Noctua uses it, not sure about others.
@4rk
@4rk Жыл бұрын
There's also the scaled Litres per second. 36 m3/h is 10l/s ≈ 21.1888 CFM
@KonglomeratYT
@KonglomeratYT 3 ай бұрын
@@v1nd1c4r3 Every fan I've ever seen uses CFM. I just put a PC together now. Everything was CFM.
@PoRRasturvaT
@PoRRasturvaT Жыл бұрын
This is important to note when you have AIO rad as exhaust as well. The CPU cooler fans are going to ramp up, and the case intake fans need to as well.
@superflyguy4488
@superflyguy4488 Жыл бұрын
As soon as you add WCing into the equation the subject becomes more divisive. If you want the coolest air (room ambient) to blow through your radiator then warm air will enter the case via the radiator (unless its an external to external rad or in a separate chamber). If you want the warm air to be exhausted out from the radiator then it will be using warmer case ambient air to remove the heat via the rad.
@rawj1213
@rawj1213 Жыл бұрын
@@superflyguy4488 What is WCing?
@bgreer78
@bgreer78 Жыл бұрын
@@rawj1213 WC = water cooling.
@superflyguy4488
@superflyguy4488 Жыл бұрын
@@rawj1213 👀
@tsjeriAu
@tsjeriAu Жыл бұрын
If you're using water-cooled cpu and air-cooled gpu, it's better for overall temps (when gaming) to have the aio as exhaust rather than intake. Sure the cpu will be a bit warmer, but the gpu will be several degrees higher than the other way around.
@kikflip9872
@kikflip9872 Ай бұрын
Awesome video man that helps me out so much
@griffenchildress9627
@griffenchildress9627 25 күн бұрын
actually such a good channel for learning about pcs
@LBXZero
@LBXZero Жыл бұрын
An element I have went over is fan placement. The combination of intake and exhaust fans create an air current, which you want that air current to flow over the components. Air currents direct the air flow, which is a major case for neutral pressure. As such, you want your intakes at the front and bottom and exhaust over the back and top. This comes up to one little problem in fan placements on larger cases. The larger cases can place 3 fans across the top, which sounds good for exhaust, except that modern cases don't typically have external drive bays anymore, as optical drives are less used for transferring data and it is difficult getting a PC to play Blu-ray movies. That 3rd fan on the top is in the position of where the drive bays would be. Commonly, the motherboard is under the rear-top fan and middle-top fan, not the front-top fan. Placing an exhaust fan in that front spot on the top side pulls the air current from the top most front fan, directing its air pressure away from the motherboard. I have recommended leaving this spot vacant with the exception of using the spot for a liquid cooling radiator. At least with the radiator, the air will be cooling something. Another concern of fan placement is the video card. The high end video cards are rather large, and that size creates a wall inside the case. You will have to study the cooling fans to ensure where the video card's cooler's intake and exhaust are. You may have that bottom-front case fan bringing air that only diverts to the GPU and gets exhausted out the card slot. This means the upper front case fans are the intake for the CPU and motherboard. The concern of positive, neutral, and negative pressure gets more complicated when you have cards acting as walls inside the case, as you can have positive pressure on the bottom half of the case (assume PC is vertical) and negative pressure above the video card.
@centurion8446
@centurion8446 11 ай бұрын
I am rather curious how a gpu with exhaust fans facing downwards vs a vertical mounted bracket gpu with fans facing outward affects the wall/negative airflow below?
@LBXZero
@LBXZero 11 ай бұрын
@@centurion8446 Are you sure those fans are exhaust fans?
@ArmaanNawaz15
@ArmaanNawaz15 Жыл бұрын
Hey jay! That’s for the info! Id love to see a video about ddr5 ram and the performance at different speeds like you did a few years ago with ddr4 to know when you are really not getting any benefit of going any higher! I’m looking at doing a system upgrade from 9th gen intel and it’s probably the one area I’m really uncertain about making a decision on!
@ziilux84
@ziilux84 Жыл бұрын
This was some good stuff. I learned so much. Thanks.
@RobbedTheBank
@RobbedTheBank Жыл бұрын
That was so helpful. You really explained in plain speaking terms. Thnak you!
@miguelsanmiguel9377
@miguelsanmiguel9377 3 ай бұрын
"Circulate in a circle" - Jay 2024
@oxyuran5998
@oxyuran5998 Жыл бұрын
I've looked into RPM vs CFM curves quite a bit and within spec (I think from 20% to 100% PWM modulation) the plots usually are pretty close to linear. Thus, you can usually get away with calculating max CFM IN and max CFM OUT (sum of the CFMs of your intake/exhaust fans) and set the PWM for the exhaust 5% below parity. Example: max IN = 400 cfm max OUT = 500 cfm Parity setting (neutral pressure): IN 100%, OUT 80% (400/500 = 0.8) Positive pressure settings: Set the intake fan curve as you want it, then set the exhaust curve points to 75% of the corresponding intake curve points. If you wanna make extra certain or use fine dust filters, go 10% below parity. Should work just fine in most cases.
@DmontXx91xX
@DmontXx91xX Жыл бұрын
😅.. not gunna lie I stopped watching after I found this ...thanks for the extra 10mins to go do thia
@VictimCard..
@VictimCard.. 9 ай бұрын
I have the exact same case. I am loving it. ❤
@pavel1269
@pavel1269 Жыл бұрын
Thanks for explaining the in-haust and out-take fan situation!
@ClarkBark14
@ClarkBark14 Жыл бұрын
A small panel (I used acrylic) between the GPU shroud and side panel can work wonders preventing GPU exh re-intake with horizontal mount. Easy way to tell if this is happening is feeling the heat soak pattern on your side panel. If the warm area isn't above the GPU, it's constantly cycling at least some % the same air. 12 case fans didn't prevent this in my 5000d air. 1 acrylic panel did.
@Mr.Fall1n1
@Mr.Fall1n1 Жыл бұрын
Can you elaborate please ? I don't really understand where the acrilic panel is situated .
@ClarkBark14
@ClarkBark14 Жыл бұрын
@@Mr.Fall1n1 Flush with the GPU shroud, just below where the GPU exhausts. I cut a rectangle piece of cardboard the size of a horizontal cross section of my case interior, then cut my GPU's shape out of that. Remade it in acrylic after.
@ClarkBark14
@ClarkBark14 Жыл бұрын
@@Mr.Fall1n1 gotta have sufficient intake below that plane for me to recommend this though. Your GPU can probably out flow 1 120 at low rpm. Might be worth playing around with some cardboard.
@beercavetech
@beercavetech 4 ай бұрын
Hi Jay, I am a Canadian with a Mechanical Technology background, so I deal with HVAC design. Although I tend to use CFM for design, the official metric unit for airflow is L/s
@crash.override
@crash.override 2 ай бұрын
And yet metric computer fan specs seem to use m^3/hour. Ugh.
@meh-hair-Vaughn
@meh-hair-Vaughn 6 ай бұрын
Great video! Very informative and useful. Thanks a lot!
@lii1Il
@lii1Il Жыл бұрын
Ty! Very helpful!
@sweatychungus6315
@sweatychungus6315 Жыл бұрын
Very helpful stuff but could touch more on how AIO's affect case temperatures when they are intake, and how case temperatures affect exhaust AIO's. That stuff is pretty important. As well as static pressure vs airflow fans (which I know you've covered, but it's very related), and turbulence.
@Cirux321
@Cirux321 7 ай бұрын
One thing you forgot to touch on is fan selection. Although fan designs these days mostly tend to be a balanced type, chosing high air flow fans or static pressure fans plays a big role in a build. For chassis with open mesh panels, air flow fans are optimal to quickly move air in and out. With restrictive chassis designs or when adding radiators for liquid cooling, you want static pressure fans to brute force the air through a restrictive surface that air flow fan designs struggle with.
@Stefan-br8jc
@Stefan-br8jc 10 ай бұрын
thanks, jay! exactly what i needed 🙌
@petewoodhead52
@petewoodhead52 29 күн бұрын
Great topic. You did a nice job of explaining what could be s confusing topic. Thanks
@kevinbarnard3502
@kevinbarnard3502 6 ай бұрын
And, before using the incense, make sure it is, in fact, incense and not a leftover sparkler from the last 4th of July. :P
@MegaNeonHD
@MegaNeonHD Жыл бұрын
How about doing an experiment with many different fan configs and measuring CPU and GPU temps. That would truly show the best setup.
@adamwright6429
@adamwright6429 Жыл бұрын
Well Done to the point, great reminder for myself Thanks Jay.
@ida6950
@ida6950 9 ай бұрын
This was so informative, thank you!
@schummi7x
@schummi7x Жыл бұрын
Hey Jay, as an idea for the airflow explanations - it may be useful to get a small smoke machine, to be able to visualize all kinds of airflow
@olandersnake
@olandersnake Жыл бұрын
Linus bought one and it didn't work well for what they wanted to show. A good one is ridiculously expensive and he will be making it part of Labs when they are set up for it.
@bocahdongo7769
@bocahdongo7769 Жыл бұрын
Those turbulent flow would distribute the smoke so well, you just can't see the flow that easily. Heck, even Gamer Nexus use contraption and negative filter just to see where the flow goes on RTX cooling testing
@Yengineered
@Yengineered Жыл бұрын
A crayon would be good too. Just kidding.. well not that much XD. Markers would be fine to draw the pathing. Or use a CAD!
@schummi7x
@schummi7x Жыл бұрын
@@olandersnake Agreed, the pricing most likely will be insane.. I wonder what does Mr. Matt Lee use for his airflow visuals. He`s got a very thick and very visible smoke in his videos
@One_Bar
@One_Bar Жыл бұрын
Black case, white smoke, black light case lighting. Sounds like it’d be fun.
@fattomandeibu
@fattomandeibu Жыл бұрын
Top notch stuff here. For me this goes hand-in-hand with glass panels. I habitually use old fashioned side panels due to the fact that I need the front panel to have 5.25" bays for my expansions(hot swappable dual 2.5" SATA bay and extra front USB sockets) and like being able to stick my intakes on the side panel. So yeah, glass panels get a no from me.
@mikem9536
@mikem9536 Жыл бұрын
Yeah with glass panel it seems like you'd want the rear fan to be intake and exhaust out the top.
@_JP18
@_JP18 5 ай бұрын
very helpful video. Thank you!
@gn3569
@gn3569 3 ай бұрын
Thank you for this, it answered questions I had about adding fans and cooling. Using incense sticks to see the airflow is a great idea.
@RohanVBB
@RohanVBB Жыл бұрын
I don’t care who’s first.
@rabalac
@rabalac Жыл бұрын
You obviously cared enough to dedicate a whole comment about it.
@enthusiasticpaunch
@enthusiasticpaunch Жыл бұрын
The early bird gets the worm, but the second mouse gets the cheese.
@joshuamartinez1574
@joshuamartinez1574 Жыл бұрын
Ha ha ha 53rd
@MrBillzebud
@MrBillzebud Жыл бұрын
How sad must your life be to get excited by having the first comment on a youtube video.
@cap_napu7757
@cap_napu7757 Жыл бұрын
@@enthusiasticpaunch Actually, mice doesn't like cheese at all 🤓
@michaelwhitworth1021
@michaelwhitworth1021 Жыл бұрын
All the HVAC dad gamers are grabbing their manometers and checking case static pressure 😂. And jay is spot on, as a general rule when balancing building pressure we shoot for a slight positive. Your case should be the same. Great video again jay.
@morganfreeman8208
@morganfreeman8208 3 ай бұрын
answered all my questions, thank you
@Davincibeats
@Davincibeats 4 ай бұрын
Weird because I always thought that having a super strong exhaust fan and radiators are all that mattered, and I always wondered why the front fans were intake fans. Interesting and informative !
@kannonfps
@kannonfps 9 ай бұрын
WAIT WHAT ? vaping is as destructive as smoking normal cigarettes ?? flush me... i just realized that i care more about my pc health than my own ...
@SrMorais
@SrMorais Ай бұрын
Vaping is worse than cigarettes
@Dajlec
@Dajlec Ай бұрын
Lol exactly.. I'm more worried about vaping near my tower than my health..priorities:P
@anonymoose2474
@anonymoose2474 21 күн бұрын
​@@SrMoraisare you saying vaping is worse than cigarettes for your own health, or for your PC?
@SrMorais
@SrMorais 21 күн бұрын
@@anonymoose2474 For your health
@blackmullet6237
@blackmullet6237 Жыл бұрын
In Europe we use cubic metres per hour (or minute, usually hour) as an airflow measuring unit
@maggnetta
@maggnetta 2 ай бұрын
Nice,
@adrianjliu
@adrianjliu 9 күн бұрын
This video was enlightening! I was sticking fans here there everywhere without really understanding the importance of negative and positive pressure. Thanks so much!
@stro_photography
@stro_photography Жыл бұрын
Thanks for your work !!
@NecroEditing
@NecroEditing Жыл бұрын
Hi Jay, how many Inxhaust fans should I have to balance my Outtake fans?
@Grena567
@Grena567 Жыл бұрын
2/3 exhausts 2 outtake
@MajoraZ
@MajoraZ Жыл бұрын
I'd be curious to know how this intersects with stuff like AIO radiator placement.
@theintelectualdragon2310
@theintelectualdragon2310 5 ай бұрын
Thanks for the tips I asked my buddy because he told me I should build a pc how to improve my cooling he said put my Willy in my case and spin it. So I really appreciate the advice
@abell8625
@abell8625 Жыл бұрын
Thanks Jay - super helpful!
@philosocio
@philosocio 4 ай бұрын
I want to say something as a mechanical enginner who gets fluid dynamics and heat transfer lessons. Air flow type is very important for heat transfer. Turbulence will cause more heat transfer than linear air flow. I don't tested it with pc cases, I am talking with theories. Create a turbulance in your case with a bit possitive pressure and get lower temperatures. Why possitive pressure is better? Because high density air means more contact to hot surfaces. But very high pressure will cause more hot in the case air. I can recommend 3 in 2 out or 4 in 3 (maybe 2) out fans for possitive pressure and this fans must be a little randomised directions for creating a turbulence.
@slimdim1
@slimdim1 Жыл бұрын
All the videos I've seen on optimising case fans seem to be based on the PC being sat on the desk in the open. I'd be interested to see how this advice changes for people with their PCs under their desks or similar limited airflow situations, and how heat build-up around the case effects cooling.
@sonntagskind84
@sonntagskind84 Жыл бұрын
Thats why you shouldnt put your desk airtight to the wall. Let the exhaust of the PC approxiamately 20cm away from the wall, and there will be no problem. Fresh cold air is sucked in in the front, blown out in the back. There it "collects" a little bit, but can escape between wall and desk. An even if this is just 2cm wide, its accross the whole lenght of your desk, so its a real big hole at all.
@ClarkBark14
@ClarkBark14 Жыл бұрын
I made a cheap "air hockey" table top for my stand beside my desk with pegboard replacing the top surface, and a plug in fan inside. Replacing parts of cabinet walls with cheap pegboard could probably help out a ton of ppl.
@squidwardo7074
@squidwardo7074 Жыл бұрын
My friend used to get really high temps after a couple hours of gaming, we couldn't figure out why, did hours of troubleshooting over discord, only to find out his pc was in a closed cabinet lol
@sonntagskind84
@sonntagskind84 Жыл бұрын
@@squidwardo7074 😂😂😂
@FastSloth87
@FastSloth87 Жыл бұрын
As one dude named Paul says: KEEP. PC. OFF. FLOOR!!! Seriously, put it sideways under the monitor like the old times even, but for the love of God don't put it on the ground.
@SIG442
@SIG442 Жыл бұрын
This was a very good tip, thanks!
@marijnpeetersmp
@marijnpeetersmp 6 ай бұрын
The app fan control that Jay talked about a couple videos ago works fantastic! After watching that video i immediately started using it. Its awsome you can tinker for hours. Set it up so the fans go up onder load etc. great stuf look up the video, wont regret it
@SupraSav
@SupraSav Жыл бұрын
One thing I have been messing with lately is covering vented portions with no fans. The dust is pretty insane after just 1 month, but it shows me that it's really moving air now.
@TheSocialGamer
@TheSocialGamer Жыл бұрын
This is the old Jays2Cents ... I'm so for it. Air flow, AIO setup anything cooling related by Jay!🤘
@chavezmaster1204
@chavezmaster1204 Жыл бұрын
This is really helpful not only to beginners.. Great Vid man..
@RacerXJG
@RacerXJG 11 ай бұрын
Superb video. Thanks alot.
@ArnoldGaming
@ArnoldGaming Жыл бұрын
More intake than exhaust for less dust build up. Rule of thumb - 2 intake for every 1 exhaust. AIOs are ideal as intake in front of case. Consider aftermarket fans like 127 CFM $40 Icegale Xtra 3 pack only if you have high end build, otherwise find a semi decent case with 3 or more pre-installed fans. Set smart fan curves in BIOS. There saved you time
@brandonjeffries2128
@brandonjeffries2128 Жыл бұрын
I’d just like to say that the black “rubber” coupler at the end of the leaf blower appears to be a Fernco and there’s a possibility that I personally seen that specific part. Definitely worked on that machine many times, #7 if I recall right. Looks like a 102-64.
@DeadlyKiller54
@DeadlyKiller54 Жыл бұрын
good stuff man, i knew my case had negative pressure from how much dust it collected, i never once thought of incense to see where it was getting it from. thanks for your video. i now optimized my fan RPM. pressure got a bit better. but still on the negative side.
@brokenmailman
@brokenmailman 10 ай бұрын
I have a Corsair 4000X tempered front panel and notice a 10 degree increase when the front glass panel is on. Thank goodness they allow you to remove it.
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