1) No Need any extra Power Supply and get power from PCI-E 1X port, The connector only transfer the USB 3.1 / 3.0 data and power, Can't connect USB-C video/audio/thunderbolt device.
^^ 2) Chipset: uPD720201 chipset, Support 5Gbps data rating and 5V power. ^^ 3) 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. ^^ 4) Compatible with USB 3.0 /USB 2.0 / 1.1. Adaptable devices to meet USB applications in various scenarios, such
as: U Disk/Mouse/Keyboard/Removable Hard Drive/Printer/Camera. and other USB C interface devices. ^^ 5) Package comes with 8cm and 12cm standard stands.