Fangrui Product Details Compliant With Pci-express Specification Version 2.0 Compliant With Usb3.0 Superspeed Specification Version 1.0 Compliant With Xhci Specification Version 1.0 Master Chip: Renesas Upd720201 Chipset The Maximum Mission 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 Mission Rate: 5000/480/12/1.5mbps Usb Power Output: Up To 5v 2a (increased Current Type) Support Usb Hot Plug Function Support Win7/win8/win10/11/2003/linux And Above Systems. Hardware Requirements: A Motherboard That Supports Pci-e This Product Is A Desktop Pci-e Expansion Card. It Requires An Empty Pci-e Slot On The Motherboard To Install And Use. Also, Make Sure That The Slot Is Not Blocked By The Graphics Card. It Cannot Be Installed And Used On The Pci Slot. Do Not Insert It Into The Pci Slot. Ps1: Only Supports Pci-e Slots, Cannot Be Inserted Into Pci Slots Ps2: The Large 4pin Can Be Used Directly Without Plugging In Electricity. Be Careful Not To Plu