Specifications |
Capacity |
20TB |
Base Mode |
ST20000NM007D |
Features |
Helium Sealed-Drive Design |
Yes |
Conventional Magnetic Recording (CMR) |
Yes |
Protection Inform ation (T10 DIF) |
— |
SuperParity |
Yes |
Low Halogen |
Yes |
PowerChoice™ Technology |
Yes |
PowerBalance™ Technology |
Yes |
Cache, Multi-segmented (MB) |
256 |
Advanced Write Caching (Internal NOR flash) |
Yes |
RSA 3072 Firmware Verification (SD&D) |
Yes |
Reliability/Data Integrity |
Mean Time Between Failures (MTBF, hours) |
2,500,000 |
Reliability Rating @ Full 24×7 Operation (AFR) |
0.35% |
Non-recoverable Read Errors per Bits Read |
1 sector per 10E15 |
Power-On Hours per Year (24×7) |
8,760 |
512e Sector Size (Bytes per Sector) |
512 |
4Kn Sector Size (Bytes per Sector) |
4,096 |
Limited Warranty (years) |
5 |
Performance |
Spindle Speed (RPM) |
7,200 RPM |
Interface Access Speed (Gb/s) |
6.0, 3.0 |
Max. Sustained Transfer Rate OD (MB/s, MiB/s) |
285/272 |
Random Read/Write 4K QD16 WCD (IOPS) |
168/550 |
Average Latency (ms) |
4.16 |
Interface Ports |
Single |
Rotation Vibration @ 20-1500 Hz (rad/sec²) |
12.5 |
Power Consumption |
Idle A (W) Average |
5.4 W |
Max Operating, Random Read/Write 4K/16Q (W) |
9.4, 6.4 |
Power Supply Requirements |
+12 V and +5 V |
Environmental/Temperature |
Temperature, Operating (°C) |
5°C – 60°C |
Vibration, Non-operating: 2 to 500 Hz (Grms) |
2.27 |
Shock, Operating 2 ms (Read/Write) (Gs) |
40 |
Shock, Non-operating 2 ms (GS) |
200 |
Physical |
Height (in/mm, max) |
1.028 in/26.1 mm |
Width (in/mm, max) |
4.01 in/101.85 mm |
Depth (in/mm, max) |
5.787 in/147 mm |
Weight (lb/g) |
670 g/1.477 lb |