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Seagate ST4000NM0045 Exos Enterprise 512 Internal



  • Best-Fit Applications
  • Hyperscale applications/cloud data centres
  • Massive scale-out data centres
  • OLTP and HPC applications
  • High-capacity density RAID storage
  • Mainstream enterprise external storage arrays
  • Distributed file systems, including Hadoop and Ceph
  • Enterprise backup and restore — D2D, virtual tape
  • Centralised surveillance


The Seagate® Exos™ 7E8 enterprise hard drive confidently stores up to 8 TB of data without sacrificing performance. The secure, high-capacity, high-performance drives are optimised for demanding enterprise bulk data applications.

Enterprise Drive for Bulk Data Applications

Exos 7E8 hard drives support up to 8 TB per drive,1 offering bulk data storage for data centre infrastructures requiring a highly reliable enterprise hard drive. Exos 7E8 provides cost-effective, reliable access to unstructured data. Built on field-proven 9th-generation conventional magnetic recording (CMR) technology, the Exos 7E8 drive helps to catalyse the datasphere, enabling data centre architects and IT professionals to deliver trusted performance, rock-solid reliability, ironclad security and low TCO for demanding 24×7 operations.

Robust Bulk Data Storage for a 24×7 World

Exos 7E8 drives are backed by a 2 million hour MTBF rating and support workloads of 550 TB per year — 10× that of desktop hard drives. With state-of-the-art cache, on-the-fly error-correction algorithms and rotational vibration design, the Exos 7E8 helps ensure consistent performance in replicated and RAID multi-drive systems.

High Performance for Mainstream Data Centre Applications

Meet your storage workload requirements in the most efficient and cost-effective data centre footprint on the market today. The Exos 7E8 delivers easy integration into bulk storage systems with 12 Gb/s SAS and SATA 6 Gb/s interface options. With user- definable innovative technology advancements like PowerChoice™ and Seagate RAID Rebuild®, you can tailor your nearline storage requirements for even greater improvements in lowering your TCO.

Enhanced Enterprise Reliability, Data Protection and Security

Advanced security features help protect data where it lives — on the drive. Exos 7E8 prevents unauthorised drive access and safeguards stored data with security features that include Secure Downloads & Diagnostics, TCG-compliant Self-Encrypting Drive and government-grade FIPS/Common Criteria tamper-resistant hard drive.2 Seagate Secure™ drives simplify drive repurposing and disposal, help protect data-at-rest and comply with corporate and federal data security mandates.




Base Model


PowerBalance™ Model

Seagate Secure™ Model


Seagate Secure SED-FIPS Model



Protection Information (T10 DIF)

Humidity Sensor




Low Halogen


PowerChoice™ Technology


PowerBalance™ Technology


Cache, Multi-segmented (MB)


Advanced Write Caching (Internal NOR flash)


Reliability/Data Integrity

Vibration, Non-operating: 10 Hz to 500 Hz



2,000,000 hr

Reliability Rating @ Full 24×7 Operation



Non-recoverable Read Errors per Bits Read,

1 sector per 10E15


Power-on Hours


Bytes per Sector


Warranty, Limited (years)



Spindle Speed (RPM)


Interface Access Speed (Gb/s)

6.0, 3.0, 1.5

Max Sustainable Transfer Rate


Average Latency (ms)


Interface Ports


Rotational Vibration @ 1,500 Hz (rad/s²)


Power Consumption

Idling Average (W)

5.45 W

Average Operating Power

6.9 W

Power Supply Requirements

+12 V and +5 V


Temperature, Operating (°C)

5°C - 60°C

Shock, Operating Read/Write (Gs)

70/40 Gs

Shock, Non-operating, 1 ms/2 ms (Gs)



Height (in/mm, max)3

1.028 in/26.1 mm

Width (in/mm, max)3

4.01 in/101.85 mm

Depth (in/mm, max)3

5.787 in/147 mm

Weight (lb/g)

680 g/1.5 lb

Carton Unit Quantity


Cartons per Pallet / Cartons per Layer


No additional files, specification sheets, guides or documentation found for product.

Warranty: 60

Full manufacturers warranty details are available at the manufacturers (Seagate) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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