Western Digital Purple Pro WD122PURP internal hard drive 12 TB 7200 RPM 512 MB 3.5" Serial ATA III

HDD average transfer rate: 272 MB/s Type: HDD HDD size: 3.5" Mean time between failures (MTBF): 2500000 h Storage drive buffer size: 512 MB HDD speed: 7200 RPM HDD capacity: 12 TB Interface: Serial ATA III Component for: Server/workstation Operating temperature (T-T): 5 - 65 °C Storage temperature (T-T): -40 - 70 °C Width: 101.6 mm Depth: 147 mm Height: 26.1 mm Weight: 750 g Quantity per pack: 1 pc(s) Warnings: Do not expose to high temperatures or moisture.