Upgrade your Notebook computer to SuperSpeed USB 3.0 with our new 2-Port ExpressCard SuperSpeed USB 3.0 Host Card. Now you can transfer files, photos, and videos at blazing speeds of up to 5Gbps! And Backups are faster than ever. These are fully reverse compatible so you can still run make use of your USB 2.0 devices. Specifications : USB 3.0 interface (10x faster than USB 2.0) Supports 2-USB 3.0 Type-A-ports Compliant with PCI-Express revision 1.0a. Backward compatible to USB 2.0 & USB 1.1 specification Data transfer rate: up to 5Gbps Fully Plug&Play Supports Hot-Swap: Plug & Play Devices Without Rebooting Requirements : Windows XP/Vista/7 (32/64 bit OS) ExpressCard Enabled System w/ Available ExpressCard Slot Retail Package Content : Notebook USB 3.0 ExpressCard Drivers CD