HDD 3.5" 4TB Seagate SkyHawk Surveillance SATA3 256MB ST4000VX016

Specifications Standard Model Numbers: ST4000VX016 SkyHawk™ Health Management Included : Yes Interface: SATA 6 Gb/s Recording Technology : CMR Drive Design: Air Features and Performance Drive Bays Supported: Up to 16 Cameras Supported: Up to 64 RV Sensors: Yes Max Sustained Transfer Rate OD (MB/s): 180MB/s Cache (MB): 256 Reliability/Data Integrity Tarnish Resistant: Yes Load/Unload Cycles: 600,000 Non-recoverable Read Errors Rate, Max: 1 per 10E14 Power-On Hours per year: 8,760 Workload Rate Limit (WRL): 180 Mean Time Between Failures (MTBF) (hours): 1,000,000 hr Power Management Startup Current, Typical (12V, A): 1.8 Average Operating Power (W): 3.7 W Idling Average (W): 2.5W Standby Mode/Sleep Mode, Typical (W): 0.25/0.25 Voltage Tolerance (5 V): ±5% Voltage Tolerance (12 V): ±10% Environmental/Temperature Operating (ambient, min °C): 0 Operating (drive reported, max °C): 65 Non-operating (ambient, min °C): -40 Physical Height (mm/in, max): 20.2 mm/0.795 in Width (mm/in, max): 101.85 mm/4.01 in Depth (mm/in, max): 146.99 mm/5.787 in Weight (g/lb, typical): 490 g/1.08 lb