The HD-250BZ-U2 2.5" external enclosure supports all 2.5" SATA I/II hard drives with a USB 2.0 interface for transferring your digital data at the quick rate of 480 MB per second. Its copper aluminum alloy case delivers the fastest heat dissipation rate, allowing your hard drive to run coolly and smoothly while still giving your enclosure a more contemporary and sophisticated appeal. It is plug and play, so just connect your enclosure to your computer, and begin your easy data storage process. It is convenient and easy. Install with ease, and use with ease. Great for all your storage needs!