Western Digital Ultrastar DC HC555 internal hard drive 20 TB 7200 RPM 512 MB 3.5 Serial ATA III

Width: 101.6 mm | HDD size: 3.5" | Height: 26.1 mm | Start/stop cycles: 600000 | HDD capacity: 20 TB | Weight: 690 g | HDD interface transfer rate: 6 Gbit/s | 24/7 operation: Yes | Power consumption (idle): 5.3 W | HDD sustained transfer rate: 272 MiB/s | Operating shock: 50 G | Operating temperature (T-T): 5 - 60 °C | Depth: 147 mm | HDD speed: 7200 RPM | Storage temperature (T-T): -40 - 70 °C | Warranty period: 5 year(s) | Storage drive buffer size: 512 MB | Interface: Serial ATA III | Type: HDD | Hot-swap: No | Power consumption (typical): 6.4 W | Average latency: 4.16 ms | Non-operating vibration: 1.04 G | Operating voltage: 5 / 12 V | Operating vibration: 0.67 G | Mean time between failures (MTBF): 2500000 h | Non-operating shock: 250 G | Component for: Server/workstation | HDD average transfer rate: 285 MB/s