FAST USB 3.0 PCI-E PCIE 4 PORTS Express Expansion Card Adapter. and high quality Super fast and high-capacity fer solution, stable and reliable Fully compatible with PCI Express Base Specification Revision 2.0 Supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devices<br><br>Supports 4 downstream ports for all speeds Built-in 4-pin power connector for receiving extra power supply from the system Supports 7 (32-bit/64-bit), Vista (32-bit/64-bit), XP Material: Metal + Plastic Color: As shown<br><br>Package Contents: 1*Expansion Card<br><br>Only the above package content, other products are not included. Note: Light reflection 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.