SEAGATE BARRACUDA DESKTOP INTERNAL 3.5" SATA DRIVE, 1TB, 6GB/S, 7200 RPM Native Command Queuing (NCQ) Halogen Free Seagate OptiCache technology Seagate SmartAlign technology Hot-Plug Support Worldwide Name (WWN) TGMR recording technology S.M.A.R.T. SPECIFICATIONS Device type: Hard Drive - Internal Capacity: 1 Tb Dimensions: 101.6 mm x 146.99 mm x 20.17 mm (W x D x H) Weight: 400 g Form factor: 3.5" Interface: SATA 6Gb/s Data transfer rate: 600 MBps Buffer size: 64 MB Spindle speed: 7200 rpm PACK