Vantec UGT-PCE430-2C&nbsp; Dual Chip 4-Port Dedicated 5Gbps USB 3.0 PCIe Host Card Components Other UGT-PCE430-2C Provides 2 dedicated USB 3.0 chip for work that requires super-fast data transfer Support PCI Express x4 slot interface with wider lanes for speed and large amount of data. Support UASP Devices on all 4 ports for extra boost in speed. Support PCI-Express 2.0 specifications using x4 Connection for faster and wider lanes for speed. Included Standard and Low Profile bracket for easy installation into small form factor system Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices for backward compatibility with both old and new devices Support Windows XP,7,8,8.1, Server 2012, 2008 R2, 2003, and Linux Kernel 2.6.31 or later Hot-swapping feature allows you to connect/disconnect devices without powering down the system Included Standard and Low Profile bracket for easy installation into small for factor system Support PCI-Express 2.0 specifications using x4 Connection for faster and wide lanes for speed Support UASP Devices on all 4 ports for extra boost in speed