SYBA 4-port (2x USB3.0; 2x SATAIII) PCIe, x4, Revision 2.0, Renesas Chipset, with Full Model SD-PEX50063 External USB Ports: 2x USB3.0; 2x SATAIII Operating Systems Supported: Windows 8.1 Windows 8 Windows 7 Vista XP Dimensions: 1.60 x 7.00 x 5.60 (H x W x L) Weight: 0.25 lb. Package Contents: x1 PCIe 2.0 Combo Card USB3.0/SATAIII x1 Driver CD x1 User Manual