Features:
PCI-Express 2.0 specification，

high-performance chips
All solid capacitors， luxurious materials， excellent workmanship
Extended extra 2 x USB3.0 interface
Hot-swappable， plug and play
Low power consumption， environmental protection and energy-saving products， low heat， stable

Specifications:
Compliant with Universal Serial Bus 3.0 Specification Revision1.0
Compliant with Intel extensible Host Controller Interface(xHCI) Specification 1.0
Compatible USB2.0/1.1/1.0 transfer rate: 5000 490/12/1.5Mbps
USB power output: 5V 2000mA
Approval safety CE， FCC， RoHS and Microsoft WQHL
Support Windows 2003 / XP / VISTA / Windows 7 / Windows 8 32Bit/64Bit

Package includes: 1 x Card Adapter