Feature: 1. 5Gbps throughput: When connected to USB3.0 devices, files can be transferred at a throughput of up to 5Gbps, while maintaining compatibility with USB peripheral products existing. 2. Support USB hot plug: PCIE to USB 3.0 supports USB hot plug and plug and play functions, and supports Windows XP, Vista, Windows7 (32/64 bit) and other systems . 3. 4 USB3.0 Ports: PCI Express card expands 4 USB3.0 ports on PCs with PCI Express slots, which is convenient for your operation. 4. Specification Compliance: PCIE to USB 3.0 expansion card is a PCI Express card with SuperSpeed USB3.0 interface, which conforms to PCI Express system specifications. 5. PCB material: PCIE to USB 3.0 expansion card adopts PCB material, which is sturdy and durable, can be used for a long time, suitable for desktop computers. Specification: Item Type: PCIE to USB 3.0 Expansion Card Material: PCB Interface: USB 3.0 Transmission Rate: 5Gbps (Maximum) Support System: for Windows XP, for Vista, for Windows 7 ( 32/64 bit), etc. Package List: 1 x PCIE to USB 3.0 Expansion Card 1 x Driver CD