Description: Features: brand new and high quality. Supports PCI for Express 2.0 X1 lane, can transferring up to 5Gbps. Supports USB 3.0 specification type A connector X 7 ports. Backward for USB 1.1/USB 2.0. Supports the following speed data rate: Low-speed(1.5Mbps)/Full-speed(12Mbps)/High-speed(480Mbps)/Super-speed(5Gbps). Supports PCI low profile. SATA 15-PIN power supply, sufficient and stable power supply to ensure stable operation of equipment. Hot-swappable, plug and for play, low power consumption, environmental for protection and energy-saving products, low heat, stable. Supports external power plug in order to supply power for each USB 3.0. Up to 900mA Max/port. System Requirements: PC with 512MB of RAM and 1.0GHz or faster processor. One available PCI for Express 1.x/4.x/16.x slot System Support: for Windows XP / Vista / Windows7 (32/64 bit)/Windows8 (32/64 bit). Please Note: 1. To achieve the maximum throughput, the PCI-Express slot must be version 2.0 or higher. 2. Performance per port may decrease if multiple ports are transferring data simultaneously due to limited throughput of the PCI-Express slot. 3. To meet USB 3.0 transfer speed, high quality USB 3.0 cables and devices are required. 4. Supports both 32-bit & 64-bit OS. 5. 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. Specifications: Material: Plastic and Metal Color: Black (shown as picture) Size: Size: 128cm / 4.74.723.15in (Approx.) Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X PCI for Express Card 2 X Screws 1 X Software Drivers CD 1 X User Manual