Western Digital Purple internal hard drive 1 TB 5400 RPM 64 MB 3.5 Serial ATA III

Workload rate limit: 180 TB/year | Operating temperature (T-T): 0 - 65 °C | Harmonized System (HS) code: 84717050 | Weight: 449 g | Mean time between failures (MTBF): 1000000 h | Type: HDD | Storage drive adapter included: No | Operating shock: 30 G | Component for: Surveillance system | HDD interface transfer rate: 6 Gbit/s | Noise level (idle): 21 dB | Height: 26.1 mm | Width: 101.6 mm | Power consumption (read): 3.8 W | Depth: 147 mm | HDD size: 3.5" | HDD speed: 5400 RPM | HDD average transfer rate: 180 MB/s | Start/stop cycles: 300000 | Maximum number of cameras supported: 64 | Storage drive buffer size: 64 MB | Compliance certificates: Federal Communications Commission (FCC) | Power consumption (standby): 0.3 W | Compliance certificates: RoHS | Compliance certificates: CE | HDD capacity: 1 TB | Compliance certificates: KC | Hot-swap: No | Compliance certificates: CB | Compliance certificates: cTUVus | Warnings: Do not expose to high temperatures or moisture. | Power consumption (idle): 3.2 W | Interface: Serial ATA III | Power consumption (write): 3.8 W | Sustainability compliance: Yes | Non-operating shock: 250 G | Warnings: Do not open or disassemble. | Warnings: Do not drop and avoid strong impacts. | Compliance certificates: UKCA