USB3.0 PCI-E CARD 1)Compliant with USB3.0 specification revision 1.0 2)Supports low-speed(1.5mbps)/full speed(12mbps)/high-speed(480mbps)/super-speed (5Gbps) 3)Supports 2 downstream ports for all speeds 4)Follows:Control/bulk/interrupt/isochronous Transfer 5)Complaint with intel's extensible host controller 6)Interface(xhcl) specification revision 0 7)For PC computer 8)Super speed up to 5Gbps 9)Largecopy of Data accessory For PC computer:USB3.0 extend card Master control Chip :