Buffalo HD-AV2.0TU2, 2 TB, 7200 RPM, Black Buffalo HD-AV2.0TU2. Hard drive capacity: 2 TB, Hard drive speed: 7200 RPM. Product colour: Black https://www.gadgetspeak.com/gadget/article.rhtm/754/622985/Buffalo_Drive_Station_AV.html While there are many tiny (non powered) 500GB hard drives around this 1GB unit is not one of them, its large and needs its own power but has a range on interesting LEDs and a whole raft of software provided on a CD-ROM.... http://www.webuser.co.uk/products/hardware-reviews/storage/128564/1/buffalo-drivestation-av The 1TB Buffalo DriveStation AV has a capacity gauge on the front, consisting of blue boxes that disappear as the disk fills. This means that you don't have to hook it up to a PC to check whether it's full, making it useful for plugging into USB-compat...