SEAGATE EXOS 7E8 HDD 512N 4TB/SAS/7200RPM/256MB/3.5" (ST4000NM001B)
Category: SEAGATE HDD
Specifications
SKU
ST4000NM001B
Details
The Seagate Exos 7E8 4TB 512N is a high‑performance 3.5‑inch enterprise hard drive with 7200 RPM, 256MB cache, and SAS or SATA interface options, designed for 24×7 data center operations and bulk storage workloads.
| Capacity | 4TB (4000GB) |
| Form Factor | 3.5″ |
| Interface Options | 12Gb/s SAS (dual‑port) or SATA 6Gb/s / 3Gb/s / 1.5Gb/s |
| Sector Size | 512 Native (512N) |
| Cache / Buffer | 256MB multi‑segmented cache |
| Spindle Speed | 7200 RPM |
| Max Sustained Transfer Rate | Up to 215MB/s (SATA) / 215MB/s (SAS) |
| Average Latency | 4.16 ms |
| Rotational Vibration Tolerance | 12.5 rad/s² @ 1500Hz |
| Power Supply Requirements | +12V and +5V |
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