Summary: Installed in a PC running Windows Vista Business and the software installed without any problems but the USB ports are DEAD. Don't know if I got a defective card or if it is the operating system.
Summary: I ordered this to upgrade my Sony Vaio desktop. It had 2 USB ports on the back, and 2 on the front. They were not high speed ports. This was a quick 5 minute install, was automatically recognized by the system. Very simple plug in, put screw in, cover back on case, and use. Works great!!!! No issues at all. Well worth the money. Quite a bargain, actually!