4 Port PCIe USB 3.0 Interface Expansion Card for PCs and Macs

The VisionTek 4 Port PCIe USB 3.0 Interface Expansion Card lets you easily add four SuperSpeed USB 3.0/2.0 ports to your PC or Mac® through an available PCI Express slot. These ports can be used to connect your computer to external hard drives, CD/DVD drives, MP3 players, printers, scanners, webcams, game controllers, digital cameras, and other devices. With each port providing 900mA of bus power, you can use many of your desktop devices with needing a power adapter. Each port is also hot swappable, so you can attach and disconnect external drives as desired. When used with an external drive, each port can deliver up to 5Gb/s (600MB/s) data rates for transferring and/or backing up music, photos, and HD movies.   Plug and Play ConnectivityIt’s never been easier to expand the capabilities of your PC or Mac. Just install the interface expansion card into an available PCIe slot (2.0 preferred) and then run the included driver CD if using a Windows based machine. Use with Macs is Plug and P