Western Digital Ultrastar 7K6 3.5 4000 GB SAS

Interface: SAS | Type: HDD | Component for: Server/workstation | Height: 26.1 mm | Mean time between failures (MTBF): 2000000 h | Operating vibration: 0.67 G | HDD interface transfer rate: 12 Gbit/s | Power consumption (typical): 12.1 W | Read seek time: 8 ms | Storage drive buffer size: 256 MB | Weight: 715 g | Operating voltage: 5 / 12 V | HDD capacity: 4 TB | Average latency: 4.16 ms | Depth: 147 mm | Power consumption (idle): 7 W | HDD speed: 7200 RPM | Storage temperature (T-T): -40 - 70 °C | Operating temperature (T-T): 5 - 60 °C | Operating shock: 70 G | Non-operating vibration: 1.04 G | Non-operating shock: 300 G | Width: 101.6 mm | Write seek time: 8.6 ms | Start/stop cycles: 600000 | HDD size: 3.5"