VANTEC 4-Port SuperSpeed USB 3.0 PCIe Host Card w/ Internal 20-Pin Connector Model UGT-PC345 Type: PCI Express to USB Card External USB Ports: 2x USB Ports Internal USB Ports: 2x USB Ports Standard: USB 3.0 Data Transfer Rate: Up to 5.0 Gbps Operating Systems Supported: Microsoft Windows XP, Vista, 7, & 8 (32/64bit) Dimensions: 120 x 80 x 19mm Weight: 0.4
