PCI-E Express Adapter 4 Port USB 3.0 HUB Internal Expansion Card  Features:<br> 100% brand new and high quality.<br> Supports up to 4 USB 3.0 devices.<br> Motherboard 20P connector available for expanding 2 more USB 3.0 ports to PC case front panel.<br> Compliant with USB 3.0 ，USB 2.0 ，USB 1.1 specification. Date transfer rate up to 5.0Gbps \/ 625MB\/s.<br> Compliant with Single-Lane (x1) PCI-Express specification revision 1.0A<br> Supports 2.5Gbps PCI-E bus with full duplex channel.<br> Supports hot swapping capability.<br> 4 Pin power connector available<br> Compatible with Windows 98SE \/ 2000 \/ ME\/ XP \/ Vista \/ 7 \/ 8.<br>  <br> Specifications:   Dimensions:12*8*2 cm   Interface : PCI-Express   ports USB 3.0   Motherboard 20P connector   4 Pin power connector<br>  Package included:<br> 1 x 5 Port USB 3.0 PCI-E Adapter  Pictures presentation: