Description: Supports PCI Express2.0 X1 Lane, can transferring up to 5Gbps MAX. Supports USB 3.0 specification typeA Connector X 4ports. Supports the following speed data rate: Low-speed(1.5Mbps)/Full-speed(12Mbps)/High-speed(480Mbps)/Super-speed(5Gbps). Supports External power plug in order to supplying power for each USB3.0. Up to 900mA MAX/port. To achieve the maximum throughput, the PCI-Express slot must be version 2.0 or higher. Performance per port may decrease if multiple ports are transferring data simultaneously due to limited throughput of the PCI-Express slot. Specification: System Support: Windows XP / Vista / Windows7 (32/64 bit)/Windows8 (32/64 bit). System Requirements: PC with 512MB of RAM and 1.0GHz or faster processor. One available PCI Express 1.x/4.x/16.x slot. Backward compatible with USB 1.1/USB 2.0. To meet USB 3.0 transfer speed, high quality USB 3.0 cables and devices are required. Supports both 32-bit & 64-bit OSes. Make sure the power is well connected; otherwise you will see a "Power Surge on Hub Port" message error and no 5V bus power in USB ports. Item size: approx. 120*81*1.5mm Package Includes: 1 x PCI Express Card 1 x Software Drivers CD
