Astrotek PCI-Express x1 USB 3.0 2 Port Card , with standard-height and low-profile brackets<br /> Specifications :<br /> - Chipset : RENESAS 720200<br /> - PCI Express Base Specification 2.0<br /> - 1 x USB 3.0 External Port, 1 x USB 3.0 Internal Port <br /> - Compliant with USB specification 3.0 rev. 1.0 compliant<br /> - Max. 5 Gb/s transfer rate per port<br /> - Supports Super-speed (5 Gb/s), High-speed (480 Mb/s), Full-speed (12 Mb/s), &amp; Low-speed (1.5 Mb/s) <br /> - Supports USB 3.0, USB 2.0 &amp; USB 1.1 devices<br /> - Compliant with Intel xHCI (eXtensible Host Controller Interface) specifications Revision 0.96<br /> - Supports PCI Bus Power Management Interface Specification rev. 1.2<br /> - On-board 12V to 5V/2A regulation for each USB 3.0 5V/900mA power consumption <br /> - Over-current sensing &amp; Fuse Protection for each port <br /> - Supports Hot Swap, Plug &amp; Play<br /> - Low Profile support<br /> - Drivers support Windows XP or above<br /> - Linux Kernel 2.6.31 native support