4 Port USB3.0 PCI-Expresses Card (2 External Port + Dual Port Internal Connector)

Features:10 times faster than High-Speed USB 2.0Superspeed USB 3.0 PCI-E Card2 External + Dual Port InternalWith 4-pin Power ConnectorSpecifications:Complies with PCI Express Base Specification Revision 2.0Complies with Universal Serial Bus 3.0 specification Revision 1.0Backward compatible to USB 2.0 and PCI-Express 1.0Supports the following data transfer rate:USB 2.0 mode up to 480 MbpsUSB 3.0 mode up to 5 GbpsMax. 5V/900mA power output to each USB 3.0 Port(with PSU connected)Supports Windows 7/Vista/XP 32/64-bit, Server 2008 32/64-bitDimensions: 94.1mm(L) X 64.2mm(W) X 1.6mm(H) (approx.)Weight: 48.5 gram(approx.)Working temperature: 0-70CPackage Contents:USB 3.0 PCI-Express Card (2 External + Dual Port Internal Connector ) x 1User Manual x 1Driver CD x 1