Buffalo DriveStation 160 GB USB 2.0 Desktop External Hard Drive HD-HB160U2 160 GB Capacity; supports USB 2.0/1.1; 7200 rpm Preformatted hard drive for out-of-the-box operation; silent running with a fanless design Unique heat-sink chassis keeps internal parts cool Power-saving shutdown scheduling to preserve energy Choice of vertical or horizontal operation lets you conserve desktop space