Brand: Seagate | Category: Enterprise HDDs
SKU: ST4000NM001B | Part #: ST4000NM001B | MPN: ST4000NM001B
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The Seagate Exos Enterprise ST4000NM001B is a 4 TB, 3.5" hard drive with a SAS interface, intended as a component for disk arrays. It spins at 7200 RPM, supports an interface transfer rate of 12 Gbit/s, and has a 256 MB buffer with an average latency of 4.16 ms.
The drive is rated for continuous operation, with an MTBF of 2,000,000 hours and an uncorrectable bit error rate of less than 1 per 10^15 bits read. Rotational vibration (RV) sensors are built in. It is rated for 70 G operating shock, 300 G non-operating shock and 2.27 G operating vibration, across an operating temperature range of 5 to 60 °C.
It runs on 5 / 12 V, drawing 6.59 W at idle and 10.8 W in typical operation. These characteristics suit multi-drive storage arrays and server environments where drives run continuously.
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| Brand | Seagate |
| Category | Enterprise HDDs |
| SKU | ST4000NM001B |
| Part Number | ST4000NM001B |
| Condition | New |
| Mean time between failures (MTBF) | 2000000 h |
| Continuous operation | Yes |
| Rotational Vibration (RV) sensors | Yes |
| Uncorrectable Bit Error Rate (UBER) | < 1 per 10^15 bits read |
| Average latency | 4.16 ms |
| HDD interface transfer rate | 12 Gbit/s |
| Component for | Disk array |
| Type | HDD |
| Interface | SAS |
| HDD size | 3.5" |
| Storage drive buffer size | 256 MB |
| HDD speed | 7200 RPM |
| HDD capacity | 4 TB |
| Operating voltage | 5 / 12 V |
| Power consumption (idle) | 6.59 W |
| Power consumption (typical) | 10.8 W |
| Non-operating shock | 300 G |
| Operating shock | 70 G |
| Operating vibration | 2.27 G |
| Operating temperature (T-T) | 5 - 60 °C |
| Weight | 620 g |
| Height | 26.1 mm |
| Depth | 147 mm |
| Width | 101.8 mm |
the Seagate Exos Enterprise 4TB, 3.5" SAS Hard Drive suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
Key specifications for the Seagate Exos Enterprise 4TB, 3.5" SAS Hard Drive: new condition; mean time between failures (mtbf) 2000000 h; continuous operation Yes; rotational vibration (rv) sensors Yes; uncorrectable bit error rate (uber) < 1 per 10^15 bits read; average latency 4.16 ms; hdd interface transfer rate 12 Gbit/s. Manufacturer part number ST4000NM001B. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
