Quickly adds two SuperSpeed USB (USB 3.0) ports to your PCIe-enabled desktop PC -- enhancing existing systems with the latest USB 3.0 technology Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, video surveillance cameras, digital video cameras, multi-channel audio and more... Compliant with Universal Serial Bus 3.0 Specification, Revision 1.0 Compliant with PCI Express Base Specification, Revision 2.0 Chipset: NEC Ports: 2x USB 3.0 (Type-A, external) Supports data rate up to 5Gb/s and backward compatible with previous versions of USB devices Dual profile design to work with full height and low profile chassis with included brackets RoHS-compliant Desktop PC with an available PCIe slot Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) DP SuperSpeed USb 2-Port PCIe Spare low profile bracket Driver CD User's manual Features Quickly adds two SuperSpeed USB (USB 3.0) ports to your PCIe-enabled desktop PC -- enhancing existing systems with the latest USB 3.0 technology Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, video surveillance cameras, digital video cameras, multi-channel audio and more... Specifications Compliant with Universal Serial Bus 3.0 Specification, Revision 1.0 Compliant with PCI Express Base Specification, Revision 2.0 Chipset: NEC Ports: 2x USB 3.0 (Type-A, external) Supports data rate up to 5Gb/s and backward compatible with previous versions of USB devices Dual profile design to work with full height and low profile chassis with included brackets RoHS-compliant System Requirements Desktop PC with an available PCIe slot Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) Package Contents DP SuperSpeed USb 2-Port PCIe Spare low profile bracket Driver CD User's manual