SpeciFIcation:
Model  GP3017A  
Input Interface  PCI-E  
Outup Interface  4-Port USB 3.0 HUB  
Led Indication  No  
Operating Environment  Working:0-50oC.Storage:-20-70oC  
System Requirement  Windows Xp/Vista/7  
Dimension  101.38*50.47*24.92(mm)  
Weight  190g  
Marerial  Metal Frame  

Features:
1.   DC big 4PIN socket supply power to each USB3.0 connector up to 900mA MAX, insure all your huge currentconsumption USB devices can work properly
2.   Input: PCI-E connector; output: 2 Ports USB3.0 Hub + 1 USB3.0 20 Pins Connector 
3.   Build-in over current protection can protect the devices and host itself effectively
4.   Support USB 3.0 to Sata interface, USB 3.0 with high speed up to 5.0Gb/s, backward with USB 2.0/1.1
5.   Hot-swap