PCI Express PCI-E to 4 Port USB 3.0 Hub Controller Expansion Riser Card Adapter

Features: Extend 4 USB3.0 ports on PC with PCI-E slot.Supports PCI-E 2.0.UP to 5Gbps data speed.USB3.0 compliant.xHCI Revision 0.95 compliant.Downwardly supports USB2.0/1.1.USB3.0 Data Speed: 5GbpsUSB2.0 Data Speed: 480MbpsUSB3.0 port provides 900mA current.System Requirement: Windows 2000/xp/Vista/7 Included: 1 X Adapter Card   Bitcoin Merch Bin #1