Fangrui Product Details Product Description With The Popularity Of Usb3.0, More And More Computer Cases Offer A 19-pin Usb3.0 Interface On The Front Of The Case, But The Old Motherboards Do Not Support Usb 3.0 Or Have No 19 Pin Interface! At This Time, You Can Convert The Pci-e Signal Via The Pci-e Slot Of The Motherboard Into The 19-pin Usb 3.0 Interface And 2 Rear Usb 3.0 Interfaces And Then Insert The 19-pin Of The Panel Into The Expansion Card, So It Offers The Front Super High-speed Usb 3.0 Interface Specifications: Compatible With Pci Express Specification Version 2.0. Compatible With The Usb 3.0 Superspeed Specification Version 1.0. Please Note The Xhci Specification Version 1.0. Master Chip:renesas Upd720201 Chipset Applies To All Pci-e Slots. The Highest Fer Rate Is Up To 5 Gbps, Which Is Much Higher Than 480 Mbps Of Usb 2.0, Which Is Up To 10 Times. Backwards Compatible With Usb2.0, Usb1.1, Usb1.0. Fer Rate: 5000/480/12/1.5mbps Usb Output: Up To 5v 2a (increased Current Type). Built-in Sata Extended Power Interface