This Pre-Formatted External USB 2.0 hard drive from Cavalry boasts a remarkable set of features. The external USB 2.0 Hard Drive dissipates heat so efficiently that it doesn't need a fan - for nearly silent operation. The aluminum enclosure offers remarkable durability and superior all-around performance. Compatible with both Mac and PC computers and supports hi-speed USB 2.0 connections. Its stackable design gives you a streamlined, uncluttered workplace and the hard drives active LED indicates power and data access. AC adapter is included. Think Cavalry for quality, performance and ...