This Item is Compatible with Mac OS X V10.8.x with Nature Driver,No Additional Driver and Application needed.Compatible with Windows XP or Later and Windows 8 32 Bit or 64 Bit with WHQL Certified Driver.Compatible with Mac OS X V10.8.x with Nature Driver and other Mac OS with Generic USB XHCI Open Source USB 3.0 xHC driver.Fit any PCI-Express x1, x2, x4, x8 or x16 Socket, Compliant with PCI Express Base Specification 2.0 Filtering Unit with Solid Capacitors offer a Reliable and Secure Connectivity.Fresco Super Speed USB 3.0 Host Controller with GoXtream xHCI Accelerator Engine Enable 4 x Rear USB 3.0 Hosts offer Transfer Rates Up To 5Gbps, 10x Faster of USB2.0.One Step Update your Windows or Mac Desktop Computer to USB3.0 with ORICO Storm PCI Express to USB 3.0 Controller Adapter Card.