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Seagate 4T 3.5 7.2K SATA 6 Gb/s (SATA III)
ST4000NM000A
Enterprise stock · tested · export documentation available
Technical Specifications Profile
1. Key Highlights & General Information
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Brand: Seagate Technology
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Product Line: Exos 7E8 (Enterprise Capacity 3.5)
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Model Number: ST4000NM000A
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Capacity: 4 TB (4,000 GB)
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Form Factor: 3.5-inch Large Form Factor (LFF)
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Interface: SATA 6 Gb/s (SATA III)
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Sector Formatting: 512n (512-Byte Native)
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Recording Technology: Conventional Magnetic Recording (CMR)
2. Performance Specifications
| Parameter | Value |
| Spindle Speed | 7,200 RPM |
| Cache (Multisegmented) | 256 MB |
| Max Sustainable Transfer Rate | 215 MB/s |
| Average Latency | 4.16 ms |
| Interface Access Speeds | 6.0 / 3.0 / 1.5 Gb/s |
| Advanced Write Caching | Yes (Internal NOR flash) |
3. Reliability & Workload Ratings
| Parameter | Value |
| MTBF (Mean Time Between Failures) | 2,000,000 Hours |
| Annualized Failure Rate (AFR) | 0.44% |
| Workload Rating | 550 TB/year (24×7 Continuous Operation) |
| Non-recoverable Read Error Rate | Max 1 sector per $10^{15}$ bits read |
| Power-On Hours | 8,760 Hours/Year |
| Rotational Vibration @ 1500Hz | 12.5 rad/s² |
| Warranty | 5-Year Limited Manufacturer Warranty |
4. Power & Electrical Requirements
| Parameter | Value |
| Power Supply Requirements | +12 V and +5 V |
| Idle Average Power | 5.38 W |
| Average Operating Power | 10.77 W |
| Power Management Technologies | PowerChoice™, PowerBalance™ |
5. Environmental & Physical Specifications
| Parameter | Value |
| Operating Temperature | 5°C to 60°C |
| Operating Shock (Read/Write) | 70 Gs / 40 Gs (2 ms) |
| Non-Operating Shock | 150 Gs / 300 Gs (1 ms / 2 ms) |
| Height (Max) | 26.1 mm (1.028 in) |
| Width (Max) | 101.85 mm (4.010 in) |
| Depth (Max) | 147.0 mm (5.787 in) |
| Weight | 620 g (1.38 lb) |
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