1) PCI-E 3.0 4X and Mini Displayport to 2 USB C Video Graphics Expansion Card supports USB 3.2 10Gbps data transfer DP1.4 video output to connect graphics card to portable screen.
2) USB-C Port 1: Supports USB 3.2 Gen 2 10Gbps data transfer rates and DisplayPort 4K 60Hz video output.Only Support Displayport host to USB-C Displays,Not work for USB-C host to Displayport Displays.
3) USB-C Port 2: Supports USB 3.2 Gen 2 10Gbps data transfer rates. Does not support video transmission.Both ports support 5V 2A power delivery.
4) Note:USB-C Port 1 Need to connect Mini DisplayPort Mini-DP 4K input from Graphics Card, Then you can get the 4K video from Type-C card output. Compatible with Displayport DP or Mini DP or Thunderbolt2 video source to Type-C USB-C sink output.
5) No need any extra Power Supply,build in Self-Powered IC. Compatible with Windows 7, 8, 10, 11 and Mac OS 10.8.2 and above. Win 10, 11, Mac OS, and Linux does not need any driver.It requires installing a driver when operating on Windows 7.