SIIG's 4-Port USB 3.0 PCIe easily adds four external SuperSpeed USB 3.0 ports to your PCIe-enabled desktop computer. This USB 3.0 adapter features per-port over-current protection to protect your connected device(s) and the adapter itself from unforeseen power surges and offers full backward compatiblity with USB 2.0 & 1.1 devices while allowing for simultaneous connection of multiple USB 3.0/2.0/1.1 devices. The 4-port USB 3.0 PCIe delivers power and performance enabling you to meet all your daily computing needs.
The 4-Port USB 3.0 PCIe is FCC and CE regulatory approved and RoHS compliant. It also supports a wide variety of Windows operating systems and is backed by SIIG's limited lifetime warranty.