1 Set Professional Expansion Card Adapter 5 Gbps Speed for Desktop

FAST USB 3.0 PCI-E PCIE 4 PORTS Express Expansion Card Adapter.100% brand new and high qualitySuper fast and high-capacity transfer solution, stable and reliableFully compatible with PCI Express Base Specification Revision 2.0Supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devicesSupports 4 downstream ports for all speedsBuilt-in 4-pin power connector for receiving extra power supply from the systemSupports Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XPFree drive for win 8/10.if win 7,XP ect.,please contact me for the drive.Colour:As shownMaterial:metalPackage Contents:1 x PCI-E Express CardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.