LaCie 2big Triple 1TB. Total storage capacity: 1000 GB, Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM. Cables included: FireWire 400, USB 2.0. Bundled software: -EMC Retrospect Express advanced backup software (Mac). Weight: 2.6 kg. Minimum processor: 500MHz, Minimum RAM: 128 MB, Compatible operating systems: -Windows: 2000, XP, Server 2003, Vista -Mac OS 10.2.8 +