SpeciFIcation:
Model  GP3019A  
Input Interface  PCI-E  
Outup Interface  3-Port USB 3.0 HUB+1 Ethernet Port  
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 current consumption USB devices can work properly 
2.Input: PCI-E connector; output: 
3 Ports USB3.0 Hub + Ethernet port3.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