Compliant with USB 3.0 specification Revision 1.0
Low profile bracket up to 5Gbps transferring speed
Supports Windows Xp/Server 2003/Vista.Server 2008/Windows 7
Built in 4-pin molex power for better support on power hungry bus-powered devices
USB 3.0 is backwards compatible with USB 1.0/1.1/2.0 devices
Ideal connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD/Blu-ray writers, flash memory drives and etc.
4-pin molex power
Super-speed 5Gbps transfer rate
Interface: 3.0 USB
Fully Plug-N-Play and Hot Swap compatible
Supports Windows XP/Server 2003/Vista/Server 2008/Windows 7
PCB Size:(L*W) 6.80*6.50cm/2.68"*2.56" (Approx.)
Quantity:1Set
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Included:
1PCS x PCI-Express 2 Ports USB 3.0 Controller Card Adapter