Specifications
Capacity: 20TB
Standard Model Number: ST20000NT001
Interface: SATA 6Gb/s
Features
Drive Bays Supported: Unlimited
Recording Technology: CMR
Drive Design (Air or Helium): Helium
Workload Rate Limit (WRL): 550
Rotational Vibration (RV) Sensors: Yes
Cache (MB): 256
Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours): 2,500,000
Non-recoverable Read Errors per Bits Read, Max: 1 per 10E15
Power-On Hours (per year): 8,760
Sector Size (Bytes per Logical Sector): 512E
Performance
Spindle Speed (RPM): 7,200
Interface Access Speed (Gb/s): 6.0, 3.0, 1.5
Max. Sustained Transfer Rate OD (MB/s): 285MB/s
Rotational Vibration @ 10-1500 Hz (rad/s): 12.5
Power Consumption
Startup Current, Typical (12V, A): 2
Idle Power, Average (W): 5.5
Average Operating Power (W): 7.7W
Standby Mode, Typical (W): 1
Sleep Mode, Typical (W): 1
Power Supply Requirements: +12 V and +5 V
Environmental/Temperature
Operating Temperature (ambient, min °C): 0
Operating Temperature (drive reported, max °C): 65
Non-operating Temperature (ambient, min °C): -40
Non-operating Temperature (ambient, max °C): 70
Environmental/Acoustics
Vibration, Non-operating: 10 Hz to 500 Hz (Grms: 2.27
Acoustics, Idle (typical, measured in Idle 1 state) (dBA) : 20
Acoustics, Seek (typical) (dBA) : 26
Environmental/Shock
Shock, Operating 2 ms (Read/Write) (Gs) : 40/40 Gs
Shock, Non-operating, 1 ms and 2 ms (Gs): 200
Physical
Height (mm/in) : 26.11 mm/1.028 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) : 670 g/1.477 lb
