1、Maximum transfer rate of up to 5Gbps, much higher than USB2.0's 480Mb/s, up to 10 times. 2、Support USB hot swap function. 3、Support for Windows XP/2003 / Vista/win7/win8/2003/MAC10.8 and above. 4、The expansion card uses 5 FP solid capacitors to ensure the stability of USB power supply. 5、Suitable for desk top host no front USB interface, easy to use with motherboard interface. Features: 1. Maximum transfer rate of up to 5Gbps, much higher than USB2.0's 480Mb/s, up to 10 times. 2. Support USB hot swap function. 3. Support for Windows XP/2003 / Vista/win7/win8/2003/MAC10.8 and above. 4. The expansion card uses 5 FP solid capacitors to ensure the stability of USB power supply. 5. Suitable for desk top host no front USB interface, easy to use with motherboard interface. Specification: Product model: PCE4USB-R01 Adopt master: for Renesas uPD720201 Support interface: for PCI-E 1X 4X 8X 16X Support system: for WinXP/Vista/Win7/Win8 32-bit/64-bit MAC10.8 or above Transmission rate: 5000/480/12/1.5Mbps USB power output: up to 5V 2A (large current type) Package List: 1 * USB3.0 Expansion Card 1 * Driver CD Driver installation instructions: Open the CD-ROM folder ---/NEC/D720201-2 and then double-click the exe. file to install it. Hardware requirements: 1. A motherboard supporting PCI-E. 2. This product is a desktop PCI-E expansion card. It needs to have a free PCI-E slot on the motherboard for installation and use. Also, make sure that the slot is not blocked by the graphics card. The PCI slot cannot be installed and used. Do not plug in the PCI slot.