Specs- Capacity: 4TB- Interface: SATA at 6GB/sec.- Cache: 64MB- 5400 rpm- Drive Bays Supported: > 8 - Supported cameras: up to 64- Transference rate (sustained): 150Mbps- Working consumption: 5,1W- Idle consumption: 4,5W- Standby/Sleep consumption: 0,4W- Working temperature: +5°C~+60°C- Charge/discharge cicle:: 300.000- Annualized workload rating: 180TB /year- Working temperature: -40°C ~ +70°C- Dimensions: 101,6 (wide) x 26,1 (height) x 147 (depth) mm- Weight: 680 g