... This is a 2 Port USB 3.0 PCI Express Card which complies with USB 3.0 Specification, and ... This is a 2 Port USB 3.0 PCI Express Card which complies with USB 3.0 Specification, and ... Super Speed mode max 5Gbps, Support USB 2.0 high speed mode 480Mbps, support USB 2.0 full ... Interface (xHCI) Specification revision 0.953,Compliant with PCI Express® Base Specification 2.04,Max 900mA output per ...