satechi.net/products/dual-usb...
It is time to unleash the true potential of your Surface Pro 9. Satechi’s Dual USB-C Hub is tailor-made for the Surface Pro 9 to transform it into a full workstation packed with extra power and performance. It complements the premium features of the Surface Pro 9, providing you with enhanced connectivity and functionality in a sleek and sophisticated design. The Dual USB-C Hub attaches seamlessly onto the Surface Pro 9 to add an extension of six powerful ports including a USB4 pass-through port that can support up to 100W Power Delivery, 6K/60Hz video output, and 40Gbps transfer speeds. It also features USB-C and USB-A 3.2 Gen 2 Ports (both at 10Gbps), HDMI 2.0 Port, and SD/microSD UHS-I card slots.