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Silver 3.5 inch enterprise hard drive with bare circuit board visible underneath

Seagate

Seagate Exos 7E8 ST8000NM001A 8 TB SAS 12Gb/s 7200 RPM 256MB cache internal hard drive

SKU CH-8AJ2-1MZYB

8 TB enterprise hard drive with SAS 12Gb/s interface, 7200 RPM and 256 MB cache for 24×7 bulk data storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity8TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB
  • 8 TB capacity for massive enterprise storage
  • SAS 12Gb/s interface delivers fast data throughput
  • 7200 RPM spindle speed enables responsive performance
  • 256 MB cache accelerates read/write operations
  • 2 million hour MTBF rating ensures 24×7 reliability

Enterprise bulk storage

The Seagate Exos 7E8 ST8000NM001A is an 8 TB SAS hard drive built for enterprise bulk data applications. It suits data centre architects and IT professionals who need reliable 24×7 storage for unstructured data. The 7200 RPM spindle and 256 MB cache support consistent throughput in replicated or RAID multi-drive systems.

Installation and common issues

The 3.5 inch form factor fits standard enterprise drive bays using the SAS 12Gb/s interface. A bare drive is supplied without cables or brackets, so installers must provide compatible SAS backplanes and power connections. The 26.10 mm height matches typical server sleds, yet some compact chassis may not accommodate the 147.00 mm length.

Deciding specification

The SAS 12Gb/s interface determines whether this drive matches the host controller and backplane in the target system. Buyers whose infrastructure uses SATA-only controllers cannot use this drive without an appropriate adapter or HBA.

Pontos fortes

  • 8 TB capacity for massive enterprise storage
  • SAS 12Gb/s interface delivers fast data throughput
  • 7200 RPM spindle speed enables responsive performance
  • 256 MB cache accelerates read/write operations
  • 2 million hour MTBF rating ensures 24×7 reliability

Especificações

BrandSeagate
SeriesExos 7E8
ModelST8000NM001A
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity8TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency4.16ms
FeaturesEnterprise Drive for Bulk Data Applications
Exos 7E8 hard drives support up to 8TB per drive, 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 datasphere, enabling data center architects and IT professionals to deliver trusted performance, rock-solid reliability, ironclad security, and low TCO for demanding 24x7 operations.
Ro
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm

Perguntas sobre este artigo

How can I confirm the ST8000NM001A is operating correctly after installation?

Check the 7200 RPM spindle speed and 4.16 ms average latency in SMART data, verify the SAS 12Gb/s link rate, and run a full surface scan with zero reallocated sectors.

What comes with the bare-drive ST8000NM001A and what must I source separately?

Only the 3.5 inch 8 TB drive is included; you need a SAS 12Gb/s HBA or RAID card, 3.5 inch bay mounting screws, and SAS power and data cables.

Which Exos 7E8 capacity should I choose for a 24×7 bulk-data array?

The 8 TB ST8000NM001A is the maximum capacity in this series, rated for 550 TB per year workload and 2 million hour MTBF.

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