Upgrade your desktop PC with USB 3.0 Interface
Achieves ultra fast transfer speeds of up to 5Gbps, 10 times faster than USB 2.0
Two ports for connecting multiple devices.
Excellent to obtain the best performance with the latest external storage peripherals.
Backwards compatible with USB 2.0 interface devices
Supported OS: Windows® XP (32/64), Windows® Vista™ (32/64) and Windows® 7(32/64) (NEC/Renesis D720200A Chipset)

Note: Best Performance with 1 Lane PCI Express 2.0, can be used with previous PCI Express 1.0 and 1.1 specification slots, a free Molex power connector is also needed, you could need a Y power cable.