Host Adapters
U3X4-PCIE4XE103
Quad channel 8-port (2-port x 4) USB 3.0 to PCI Express x4 Gen 2 Host Card
Firmware, Drivers, Utility
Version: 3.0.23.0  
Content: USB 3.0 Host Controller Driver Kit (x86 and x64)
For Windows XP, VISTA, 7 and Server 2008
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* Specifications subject to change without prior notice