SIIG Legacy & Beyond JU-P40611-S2 Superspeed DP 4 Ports PCI-e to USB 3.0 High Performance Adapter Card With 15Pin SATA Power, 3x9-pin External and 1x9-pin Internal Connector Add four (3 external & 1 internal) SuperSpeed USB 3.0 ports to your PCIe-enabled desktop PC; Supports data rate up to 5Gb/s Broad Compatibility: Windows 10 (32-/64-bit) / 8.x (32-/64-bit) / 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit); Backward Compatible: works great with USB 2.0 & 1.1 devices. Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcam, video surveillance cameras, digital video cameras, multi-channel audio and more. Dual Profile Design: using the included brackets to work with full height and low profile chassis. Compliant with: USB 3.0 specification and PCI Express Base Specification, Revision 2.0. Supports per port over-current protection.