Products Host Adapters to PCIe x4 USB 3.0
Host Adapters
U3X4-PCIE4XE111
Quad Channel 4-port (1-port x 4) USB 3.0 to PCI Express x4 Gen 2 Host Card
Firmware, Drivers, Utility
Version: 3.6.8.0  
Content: USB 3.0 Host Controller Driver Kit (x86 and x64) For Windows XP, VISTA, 7, 8 and 8.1 Download

Version: 3.6.4.0  
Content: USB 3.0 Host Controller Driver Kit (x86 and x64) For Windows XP, VISTA, 7, 8 and 8.1 Download

Version: 3.5.108  
Content: USB 3.0 Host Controller Driver Kit (x86 and x64) For Windows XP, VISTA, 7, 8 and 8.1 Download

Version: 3.5.100.0  
Content: USB 3.0 Host Controller Driver Kit (x86 and x64) For Windows XP, VISTA, 7, 8 and 8.1 Download

* Specifications subject to change without prior notice