Fangrui Product Details Product Name: 2-port Usb 3.1 Pcie Expansion Card Bus Type: Pci Express X1 3.0, Compatible Pcie X4/x8/x16 Slot. Good Compatibility: Compatible With 7/8/8.1/10/11, Linux Os. Pci-e To Usb3.1: Expand Your Computer With Two More Ports Usb3.1 Gen 2: The Pci-e Card Is Equipped With 10gbps Bandwidth, Which Ensures Fast Data Transmission, Real Speed Of Usb3.1 For Individual Port. Plug Play And Hot Swapping Capability Stable And Reliable Asmedia Chipset Asm3142 The 15-pin Sata Power Connector Supplies Power To Usb-c Enabled Devices, And Supports Up To 5v 900mah Output On Each Usb 3.1 Port. Specs: 1. Supports 10gbps Pci-e Bus With Full Duplex Channel. 2. Built-in Over Current Protection And Short Circuit Protection On Each Usb Port. 3. Support Superspeed+ (10 Gbps), Superspeed (5 Gbps), Highspeed (480 Mbps), And Fullspeed (12 Mbps) (note: The Actual Transmission Speed Is Limited By The Setting Of The Device Connected.) 4. Support Usb 3.1 Devices,backwards Compatible With Usb 3.0, 2.0 1.1 5. Support High-speed Pc