Pack of 20 Western Digital® Purple HDD of 4 TB

Technical specs
- Capacity: 4TB
- Interface: SATA at 6GB/sec.
- Cache: 64MB
- 5400 rpm
- Supported unit bays: > 8 
- Supported cameras: up to 64
- Maximum transference rate: 150Mbps
- Average working consumption: 5,1W
- Idle consumption: 4,5W
- Standby consumption: 0,4W
- Working temperature +5°C~+60°C
- Load/unload cycles: 300.000
- Anual workload: 180TB /year
- Working temperature: -40°C ~ +70°C
- Dimensions: 101,6 (width) x 26,1 (height) x 147 (depth) mm
- Weight: 680 g