Specifications |
512e/4KN (FastFormat) SAS |
Capacity |
8 TB |
Standard |
— |
PowerBalance™ Model ∗∗
|
— |
Seagate Secure™ SED Model1 ∗∗
|
ST8000NM020B |
Seagate Secure SED-FIPS 140-3 Model1 ∗∗
|
— |
**not all models will be generally offered as standard configurations |
— |
Features |
Protection Information (T10 DIF) |
Yes |
SuperParity |
Yes |
Low Halogen |
Yes |
PowerChoice™ 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 @ Full 24×7 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 |
Warranty, Limited (years) |
5 |
Performance |
Spindle Speed (RPM) |
7 200 |
Interface Access Speed (Gb/s) |
12.0, 6.0, 3.0, 12.0, 6.0, 3.0 |
Max. Sustained Transfer Rate OD |
255MB/s |
Average Latency (ms) |
4,16 |
Interface Ports |
Dual |
Rotational Vibration @ 1,500 Hz (rad/s²) |
12,5 |
Power Consumption |
Idle Power, Average (W) |
7,24 |
Typical Operating, Random Read (W) |
11,34 |
Power Supply Requirements |
+12 V and +5 V |
Environmental |
Temperature, Operating (°C) Drive Reported |
5 ~ 60 |
Shock, Operating 2 ms Read/Write (Gs) |
70/40 Gs |
Shock, Non-operating, (1 ms/2 ms) (Gs) |
150/300 |
Physical |
Height (in/mm, max)2
|
1.028 in/26.11 mm |
Width (in/mm, max)2
|
4.01 in/101.85 mm |
Depth (in/mm, max)2
|
5.787 in/147 mm |
Weight (lb/g) |
716 g/1.58 lb |
Carton Unit Quantity |
20 |
Cartons per Pallet / Cartons per Layer |
40/8 |