MPN
ST4000NM025B
Specifications
512e/4KN (FastFormat) SAS
Capacity
4 TB
Standard
ST4000NM025B
Features
Protection Information (T10 DIF)
Yes
SuperParity
Yes
Low Halogen
Yes
PowerChoiceTM Technology
Yes
PowerBalance Technology
Yes
Cache, Multi-segmented (MB)
256
Advanced Write Caching (8M internal NOR flash)
Yes
Reliability/Data Integrity
Vibration, Non-operating: 10 Hz to 500 Hz (Grms)
5
Mean Time Between Failures (MTBF, hours)
2,000,000
Reliability Rating at Full 247 Operation (AFR)
0.44%
Non-recoverable Read Errors per Bits Read
1 sector per 10E15
Power-On Hours per Year
8,760
Bytes per Sector
512, 520, 528
Performance
Spindle Speed (RPM)
7,200
Interface Access Speed (Gb/s)
12.0, 6.0, 3.0
Max. Sustained Transfer Rate OD
250MB/s
Average Latency (ms)
4.16
Interface Ports
Dual
Rotational Vibration at 1,500 Hz (rad/s2)
12.5
Power Consumption
Idle Power, Average (W)
5.9
Typical Operating, Random Read (W)
10.3
Power Supply Requirements
+12 V and +5 V
Environmental
Temperature, Operating (oC) Drive Reported
5 - 60
Shock, Operating 2 ms Read/Write (Gs)
70/40 Gs
Shock, Non-operating, (1 ms/2 ms) (Gs)
150/300
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