The Sonnet 2-Port USB 3.0 ExpressCard/34 Expansion Card (Mac & Windows) is based on the new USB 3.0 standard that offers up to 10 times the performance of the decade-old USB 2.0 interface. A single hard drive with a USB 3.0 interface is capable of transferring data up to 125 Mb/s, while solid state drives are capable of even faster transfers. You can install the Sonnet USB 3.0 ExpressCard/34 into your computer's ExpressCard slot to exploit the full performance potential of these fast drives.
The Sonnet USB 3.0 Expansion Card works in ExpressCard/34 and ExpressCard/54 slots. Each of this card's ports supports bus-powered drive (not all bus-powered drives are power compliant) and hot-swappable storage connections.
Simple way to add two SuperSpeed USB 3.0 ports to a MacBook Pro or PC notebook computer with ExpressCard slot
Transfers data 10 times faster than USB 2.0 connections
Supports hot-swappable device connection - plug in and disconnect peripherals without shutting off your computer
Each powered ports support one USB 3.0 power-compliant (2.5W max) bus-powered drive
Mac: MacBook Pro (with ExpressCard slot) Supports only USB 3.0 storage devices and Sonnet and Lexar USB 3.0 CompactFlash/SD readers* Mac OS X Version 10.6+ Mac OS X Lion compatible PC: PC notebook (with ExpressCard slot) Windows 7 Windows Vista Windows XP *The Mac OS X driver for this card does not support USB 2.0 and USB 1.1 devices. iPods, iPhones, USB 3.0 hubs and non-storage devices are not supported.