TrekStor DataStation 88350 500GB 3.5-Inch maxi m.u SATA External Hard Drive (Black) 3.5" 500 GB SATA hard drive; 7200 RPM 16MB Cache; Black On/Off switch; USB 2.0; High-grade Aluminum housing; External power supply (fanless) Supports Microsoft Windows 98(SE) / ME / 2000 / XP / Vista, Mac OS X from 10.3.x, Linux from Kernel 2.6.x Maximum data transfer rate (read/write) 27.7 MB/s - 17.1 MB/s; Average access time (HDD) approx. 13.7 ms Nero BackItUp 2 Essentials software, Power supply and USB cable included