HDD 3.5" 4TB Seagate IronWolf PRO NAS 256MB SATA3

Capacity: 4TB Standard Model Number: ST4000VN006 Interface: SATA 6Gb/s Features and Performance Drive Bays Supported: 1-8 Bays Recording Technology: CMR Drive Design (Air or Helium): Air Workload Rate Limit (WRL): 180 Rotational Vibration (RV) Sensor: Yes Dual-Plane Balance: Yes Error Recovery Control: Yes Max. Sustained Transfer Rate OD (MB/s): 202MB/s Spindle Speed (RPM): 5400 Cache (MB): 256 Reliability Load/Unload Cycles: 600,000 Nonrecoverable Read Errors Rate, Max: 1 per 10E14 Power-On Hours: 8760 Mean Time Between Failures (MTBF, hours): 1,000,000 Power Management Startup Current, Typical (12V, A): 1.8 Average Operating Power: 4.8 Idle Power Average (W): 3.96W Standby Mode/Sleep Mode, Typical (W): 0.5/0.5 Voltage Tolerance, Inc. Noise (5V / 12V): ±5% / ±10% Environmental/Temperature Operating Temperature (ambient, min°C): 0 Operating Temperature (drive reported, max °C): 65 Nonoperating Temperature (ambient, min / max °C): -40 / 70 Environmental/Shock Shock, Operating/Nonoperating: 2ms (max): 80Gs/300Gs Environmental/Acoustics Acoustics, Idle (typical, measured in Idle 1 state) (dBA): 23 Acoustics, Seek (typical) (dBA): 27