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ST4000NM000B
ST4000NM000B belongs to Seagate Exos 7E10 enterprise series, 3.5‑inch CMR SATA hard drive with 4TB capacity, 7200RPM spindle speed and 256MB large cache, delivering up to 215MB/s sustained transfer speed.
It supports 550TB yearly workload and 2‑million‑hour MTBF for non‑stop 24×7 running. Vibration‑cancellation mechanism improves stability in multi‑drive chassis. CMR architecture maintains consistent performance under heavy mixed workload.
Main applications include entry‑level data‑center servers, enterprise NAS, RAID array, surveillance NVR and cold‑data backup archive. Sufficient cooling and enterprise‑grade host hardware are required for continuous heavy‑load usage. Datasheet PDF can be downloaded.
1. 4TB Pure CMR Enterprise-Grade High-Capacity Storage
The ST4000NM000B is a high-performance 3.5-inch enterprise hard drive from the Seagate Exos 7E8 series, optimized for small and medium data centers, enterprise server arrays, and 24/7 continuous industrial storage operation scenarios. Adopting genuine CMR conventional magnetic recording technology, it completely avoids SMR drive random write lag, file fragmentation and long-term performance degradation. It delivers ultra-stable and consistent read-write performance under heavy cyclic workloads, providing high-cost-effective large-capacity storage expansion for enterprise mass data archiving and server business storage.
2. 7200RPM High Speed & 256MB Large Cache SATA III 6Gb/s Interface
Equipped with industrial-grade 7200RPM high-precision spindle motor and 256MB ultra-large independent cache, this enterprise HDD adopts standard SATA III 6.0Gb/s high-bandwidth interface. It reaches a maximum sustained transfer speed up to 215MB/s, efficiently supporting high-concurrency multi-user access, batch large-file transmission and continuous streaming data writing. The intelligent cache scheduling algorithm greatly reduces operational latency, ensuring stable low-jitter high-speed output during long-term full-load enterprise operation.
3. PowerBalance Intelligent Energy-Saving & Low-Heat Design
Built with Seagate exclusive PowerBalance power optimization technology, the ST4000NM000B perfectly balances outstanding performance and low power consumption. Compared with ordinary desktop and low-end enterprise hard drives, it features lower idle power consumption and stable low-heat operation. It effectively reduces data center cooling pressure and long-term power loss, lowering enterprise overall TCO, and fully adapting to high-density multi-disk rack deployment environments.
4. 2 Million Hours MTBF & 550TB High Enterprise Workload
Engineered for 8760-hour full-year uninterrupted enterprise operation, this hard drive achieves industry-leading 2,000,000 hours MTBF and ultra-low annual failure rate. It supports 550TB professional enterprise annual workload, 10 times higher than ordinary desktop hard drives, stably coping with long-term high-frequency mixed read-write, cyclic overwriting and massive log recording tasks. Built-in multi-level instant error correction and sudden power-off protection mechanisms fully protect data integrity in complex high-load operating environments.
5. Advanced Vibration Suppression & RAID System Optimization
Integrating dual-plane balance and professional rotational vibration suppression technology, the drive effectively offsets cross-disk mechanical resonance and vibration interference in dense RAID array clusters. Exclusive Seagate RAID Rebuild firmware optimization accelerates array fault recovery speed, prevents system performance jitter and bad sector accumulation during reconstruction. It boasts excellent compatibility with mainstream servers, RAID cards and cluster storage systems, ensuring long-term stable array operation.
Technical Specifications of ST4000NM000B Seagate Exos 7E8 Enterprise SATA HDD
Item | Specifications |
|---|---|
Part Number | ST4000NM000B |
Product Series | Seagate Exos 7E8 Enterprise Series |
Capacity | 4TB |
Recording Technology | CMR Conventional Magnetic Recording |
Rotational Speed | 7200 RPM |
Cache Memory | 256MB |
Interface Standard | SATA III / 6.0Gb/s |
Max Sustained Speed | Up to 215MB/s |
MTBF | 2,000,000 Hours |
Annual Workload | 550TB/Year |
Sector Format | 512E Emulation Sector |
Core Technology | PowerBalance Power Optimization, Rotational Vibration Suppression, RAID Rebuild Optimization |
Operating Mode | 24/7 Full-Year Enterprise Continuous Operation |
Form Factor | 3.5 Inch Standard Enterprise LFF HDD |
Operating Temperature | 0°C to 60°C |
Warranty | 3-Year Limited Warranty |
Core Advantages | 4TB large enterprise capacity, pure CMR vertical recording, 7200RPM high speed, 256MB large cache, low power consumption, anti-vibration, 550TB high workload, 24/7 stable operation |
Application Grade | Enterprise Server Storage, SME Data Center RAID Array, NAS Mass Storage, Industrial Equipment Log Recording, Video Monitoring Stream Storage, Enterprise Data Backup & Archiving |
Industrial Applications of the ST4000NM000B Seagate Exos 7E8 Enterprise Hard Drive
The ST4000NM000B is tailored for enterprise server long-term stable storage expansion. With 4TB practical large capacity and pure CMR sustained high performance, it serves as a reliable business data disk and backup storage disk for medium and small servers. It stably handles daily high-concurrency service access, data reading and writing tasks, avoiding performance attenuation caused by long-term overload operation, and ensuring continuous and efficient server business operation.
2. SME Stable RAID Array Storage System
Optimized for multi-disk array working scenarios, this Exos 7E8 enterprise hard drive adopts professional anti-vibration and RAID reconstruction optimization design. It effectively resists mechanical vibration interference between hard drives in dense arrays, accelerates fault recovery efficiency, and eliminates system stuttering during RAID reconstruction. It is the ideal high-cost-effective hardware for building enterprise high-availability redundant backup arrays and stable cluster storage systems.
3. Commercial NAS & Private Cloud Centralized Storage
Benefiting from 550TB ultra-high annual workload resistance and low-vibration stable operation capability, the ST4000NM000B perfectly matches commercial NAS devices and enterprise private cloud storage platforms. It supports long-term multi-user concurrent file access, cyclic data overwriting and massive resource storage, meeting the centralized storage, sharing and backup demands of enterprise office files, business data and multimedia resources.
4. Long-Term Monitoring Video & Stream Data Storage
With 4TB large-capacity storage and excellent continuous writing performance, the drive is widely applicable to security monitoring systems, video stream platforms and equipment log recording scenarios. It supports 24/7 uninterrupted cyclic overwriting and long-term data retention, ensuring complete and traceable video surveillance data and equipment operation records, suitable for commercial and industrial continuous recording storage needs.
5. Enterprise Data Classification Archiving & Disaster Recovery
Relying on 2 million hours ultra-high MTBF and multi-level enterprise data protection mechanisms, this SATA enterprise hard drive provides reliable long-term classification archiving, asset preservation and emergency disaster recovery backup for enterprise massive unstructured data and business files. It helps enterprises build low-maintenance, low-power and high-reliability data storage systems, effectively reducing data loss risks and optimizing enterprise data asset management.
