| Specifications | 512e/4KN (FastFormat) SAS | 
| Capacity | 4 TB | 
| Standard | — | 
| PowerBalance™ Model ∗∗ | — | 
| Seagate Secure™ SED Model1 ∗∗ | ST4000NM027B | 
| 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 | 
| Max. Sustained Transfer Rate OD | 250MB/s | 
| Average Latency (ms) | 4,16 | 
| Interface Ports | Dual | 
| Rotational Vibration @ 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 (°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) | 620 g/1.37 lb | 
| Carton Unit Quantity | 20 | 
| Cartons per Pallet / Cartons per Layer | 40/8 | 
