Western Digital Purple internal hard drive 2 TB 3.5 Serial ATA

Interface: Serial ATA | Power consumption (idle): 3.2 W | Quantity per pack: 1 pc(s) | Type: HDD | Width: 101.6 mm | Height: 26.1 mm | Weight: 450 g | Power consumption (write): 3.8 W | HDD size: 3.5" | Component for: Surveillance system | Power consumption (read): 3.8 W | HDD capacity: 2 TB | Mean time between failures (MTBF): 1000000 h | Depth: 147 mm | Noise level (idle): 21 dB | Workload rate limit: 180 TB/year | Harmonized System (HS) code: 84717050 | Warnings: Do not expose to high temperatures or moisture. | Warnings: Do not open or disassemble. | Warnings: Do not drop and avoid strong impacts. | 24/7 operation: Yes | Maximum number of cameras supported: 64