Product Details Fangrui Product Details Complies With Pci-express Specification Version 2.0 Complies With Usb3.0 Superspeed Specification Version 1.0 Complies With Xhci Specification Version 1.0 Main Control Chip: Renesas Upd720201 Chipset The Maximum Transmission Rate Is Up To 5gbps, Which Is Much Higher Than The 480mb/s Of Usb2.0, Up To 10 Times Backward Compatible With Usb2.0, Usb1.1, Usb1.0 Transmission Rate:5000/480/12/1.5mbps Usb Power Output:up To 5v 2a (increased Current Type) Support Usb Hot Plug Function Support Xp/2003/vista/win7/win8/2003/10/11 And Above Systems, Etc. Description: One Of The Few Expansion Cards On The Market That Can Support Linux System. Designed Without External Power Supply, It Uses 2 5a High-power Dc-dc. The Expansion Card Uses 7 High-performance Solid Capacitors, Which Greatly Ensures The Stability Of Usb Power Supply. The Built-in Usb Is Plugged In Backwards, And Supports Small Chassis, And Usb Devices Are Built In. Hardware Requirements: A Motherboard That Supports Pci-e This Product Is A Desktop Pci-e Expa