HornetTek Viper 320GB 8MB Cache 7200RPM USB External Hard Drive (Black) - Retail w/1 Year Warranty. It's high performance hard drive in value price! Fan-less cooling design keeps your drive running cool and quiet . Durable aluminum hard drive chassis provides excellent heat dissipation. Simple plug and play with no driver installation require USB 2.0 interface providing a perfect portable storage solution for you to carry and backup your data, music, picture, video everywhere! HornetTek Viper designed for stand vertically or horizontally. High-speed USB interface for Windows OS and Mac OS. Each of the hard drive is assembled, pre-formatted and fully tested in USA before ship out. This HornetTek Viper external hard drive features high-quality construction, advanced external interface technology, durable aluminum chassis and state-of-the-art industrial design, assured to provide you with years of reliable performance. This is perfect solution for your PC or laptop if you need extra storage capacity for your Data, Music, Video, Games and etc. Use this portable hard drive for backup, data sharing, data transferring between your office and home. Easy plug-n-play connect via USB interface supporting transfer rate up to 480mpbs! You have no excuse for not buying an external hard drive today! Space consumption.