Description
Key Specifications
| Spec | Detail |
|---|---|
| Model | ST12000NM000J |
| Capacity | 12 TB |
| Interface | SATA 6.0 Gb/s (also supports SATA 3.0/3.0 Gb/s) |
| Form Factor / Size | 3.5 – inch |
| Rotation Speed | 7200 RPM |
| Cache / Buffer | 256 MB |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Sector / Formatting | Supports 512e & 4Kn (Fast Format models) |
| Sustained Transfer Rate (Outer Diameter) | 270 MB/s |
| Average Latency | 4.16 ms |
| Reliability / Warranty | MTBF 2,500,000 hours; 5-year limited warranty |
Power / Operating Characteristics
| Condition | Power or Operating Spec |
|---|---|
| Idle Power | 4.4-5.3 W depending on specific idle state |
| Max Operating (Random Read/Write / 4K / Queued Depth 16) | 8.6 – 9.4 W |
| Operating Temperature Range | 5 °C to 60 °C |
| Shock Vibration / Non-operating | Non-op shock: 200 g for 2 ms ; vibration tolerance non-operating 2.27 Grms from 2-500 Hz |
Uses / Strengths
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Good sustained throughput, especially for large sequential reads/writes.
Potential Limitations / Things to Note
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As a 3.5-inch 7200 RPM HDD, it is mechanically moving: susceptible to shocks, slower random I/O compared to SSDs.
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Latency & seek times are much higher than SSDs — if your workload involves many small random reads/writes, performance might be less than ideal.
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Power and heat output higher than lower-capacity, lower RPM, or SSD options.
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You might need proper cooling & vibration isolation if used in dense enclosures.
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