100% brand new and high qualityPCI Express USB 3.0 2 Ports Front Panel with 4-Pin & 20 Pin Control Card AdapterCompliant with USB 3.0 specification Revision 1.0Low profile bracket up to 5Gbps transferring speedSupports Windows Xp/Server 2003/Vista.Server 2008/Windows 7Built in 4-pin molex power for better support on power hungry bus-powered devicesUSB 3.0 is backwards compatible with USB 1.0/1.1/2.0 devicesperfect connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD/Blu-ray writers, flash memory drives and etc.4-pin molex powerSuper-speed 5Gbps transfer rateInterface: 3.0 USBFully Plug-N-Play and Hot Swap compatibleSupports Windows XP/Server 2003/Vista/Server 2008/Windows 7PCB Size:(L * W) 6.80 * 6.50cm/2.68 inch * 2.56 inch (Approx.)Quantity:1SetColour: BlackMaterial: PC + metalPackage Contents:1 * Control Card Adapter1 * ScrewOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.