D-Link 2-Port USB 3.0 Add-On Card Model DUB-1310 Type: PCI Express to USB Card External USB Ports: 2 x USB 3.0 Ports Standard: USB 3.0 Data Transfer Rate: SuperSpeed: 4.8 Gbps High Speed: 480 Mbps Full Speed: 12 Mbps Low Speed: 1.5 Mbps Operating Systems Supported: Windows 7, Windows Vista, Windows XP SP3 or higher Specifications: Interface: PCI Express x1 2 downstream USB type A (female) ports Standards: USB specification version 3.0 USB specification version 2.0 USB specification version 1.1 1 USB specification version 1.0 OHCI (open Host Controller Interface) EHCI (Enhanced Host Controller Interface) PCI Express 2.0 Connectivity: Up to 127 devices by cascading multiple hubs Supplied Power: Maximum 900 mA per port Dimensions: 2.98 x 2.42 x 0.72 Weight: 0.09 lbs.
