Seagate Barracuda ST4000DM005 - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb/s - buffer: 64 MB

Key Features and Benefits: Perpendicular recording technology Fast performance Superb reliability Eco-friendly power levelsYou may also like ST3000DM001, S1F, SU, PN 9YN166-570, FW CC9F, Seagate 3TB SATA 3.5 Hard Drive.