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Seagate Exos 7E8 Series Enterprise Range of Hard Drive, The Seagate ST4000NM002A 4TB Internal Hard Drive Delivers Exceptional Read / Write Speeds, Robust Bulk Data Storage, 24×7 Power On Time with Enhanced Reliability, Data Protection and Security.


Enterprise Drive for Bulk Data Applications

Exos 7E8 hard drives support up to 8 TB per drive, 1 offering bulk data storage for data center infrastructures requiring a highly reliable enterprise hard drive. Exos 7E8 provides cost-effective, reliable access to unstructured data. Built on field-proven 10th-generation conventional magnetic recording (CMR) technology, the Exos 7E8 drive helps to catalyze the data sphere, enabling data center 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 center 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 Reliability, Data Protection, and Security

Advanced security features help protect data where it lives — on the drive. Exos 7E8 prevents unauthorized 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.

Best Fit For

  • Hyperscale applications/cloud data centers
  • Massive scale-out data centers
  • 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
  • Centralized surveillance


Capacity 4TB
Base Model ST4000NM002A
Protection Information (T10 DIF) N/A
Humidity Sensor Yes
superiority Yes
Low Halogen Yes
PowerChoice™ Technology Yes
PowerBalance Technology Yes
Cache, Multi-segmented (MB) 256
Advanced Write Caching (2M internal NOR flash) Yes
Vibration, Non-operating: 10 Hz to 500 Hz (Grms) 5
Mean Time Between Failures (MTBF, hours) 2,000,000
Reliability Rating @ Full 24×7 Operation (AFR) 0.44%
Non-recoverable Read Errors per Bits Read N/A
Power-On Hours per Year 8,760
Bytes per Sector 512
Spindle Speed (RPM) 7,200
Interface Access Speed (Gb/s) 6.0, 3.0, 1.5
Max. Sustained Transfer Rate OD 226MB/s
Average Latency (ms) 4.16
Interface Ports Single
Rotational Vibration @ 1,500 Hz (rad/s²) 12.5
Idle Power, Average (W) 5.4
Typical Operating, Random Read (W) 10.89
Power Supply Requirements +12 V and +5 V
Temperature, Operating (°C) 5°C – 60°C
Shock, Operating 2 ms Read/Write (Gs) 70/40 Gs
Shock, Non-operating, (1 ms/2 ms) (Gs) 150/300
Height (in/mm, max) 1.028 in/26.1 mm
Width (in/mm, max) 4.01 in/101.85 mm
Depth (in/mm, max) 5.787 in/147 mm
Weight (lb/g) 649 g/1.43 lb
Carton Unit Quantity 20
Cartons per Pallet / Cartons per Layer 40/8
Warranty 5 Years
Note *** Features, Prices, Specifications are subject to change without notice.




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