Oyen Digital 2-Port ExpressCard SuperSpeed USB 3.0 Express Card Adapter for Mac
The Oyen Digital HBU3MAC2-port ExpressCard USB 3.0 for Macadds two USB 3.0 ports to your 15-inch or 17-inchMacBook Pro(must have ExpressCard slot) forSuperSpeed USB 3.0 connectivity! Featuring an NEC  host controller chipset, the card supports transfer ratesup to 5Gbps, while still providing connectivity and support for  USB 2.0 (480Mbps) and USB 1.1 (12Mbps) devices. Up to 600 mA of bus power is provided via the two ports for maximum compatibility with USB 2.0 and 3.0 portable devices. In addition, a DC to USB y-cable is included, which allows supplemental bus power to be provided to the card for greater  power availability. Install the HBU3MAC USB 3.0 ExpressCard/34 adapter into your MacBook Pro's Express Card slot and experience the lastest in USB 3.0 speeds!