Vantec IO Card UGT-PC345 4-Port SuperSpeed USB 3.0 PCI Express Host Card with Internal 20-Pin

Model: UGT-PC345 Bus Interface: PCIe Ports: 2 x External USB 3.0 Ports (Backwards Compatible with USB 2.0 and 1.1) 2 x Internal USB 3.0 Ports (20-pin connector) Maximum Transfer Rates Up to 5 Gbps w/USB 3.0Maximum Transfer Rates Up to 480 Mbps w/USB 2.0 Power: 4-Pin Molex (Includes SATA Power Converter) System Requirements: Microsoft Windows XP, Vista, 7, and 8 (32/64bit) PCI Express Enabled System w/ Available PCI Express Slot CD-Rom Drive May Be Needed For Drivers Package Contents: 4-Port SuperSpeed USB 3.0 PCIe Host Card x1 Users Manual x1 SATA to 4-Pin Molex Power Converter x1 Driver CD x1 Item Dimension (L"xW"xH"): 7.96 x 5.52 x 1.38 Weight:0.4 lb Warranty Information: 1-Year