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Silver 3.5 inch enterprise hard drive bare unit with SATA connectors

Seagate

Seagate ST8000NM0045 8TB 7200 RPM 256MB Cache 3.5" SATA Internal Hard Drive

SKU CH-C0HV-R5YN8 MPN ST8000NM0045

8 TB enterprise hard drive with 7200 RPM, 256 MB cache and SATA 6.0 Gb/s interface for 24×7 bulk-data workloads

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity8TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB

Options 8TB

  • Enterprise 8TB capacity fits 33% more data per slot
  • 7200 RPM with 256MB cache delivers fast bulk-data access
  • Engineered for 24x7 workloads up to 550TB per year
  • Advanced Write Caching boosts nearline storage efficiency
  • SATA 6.0Gb/s interface enables easy RAID integration

Enterprise 8TB 7200 RPM SATA Drive

The Seagate ST8000NM0045 is an 8TB 3.5-inch enterprise hard drive built for bulk-data applications. It spins at 7200 RPM with a 256MB cache and uses a SATA 6.0Gb/s interface. The drive employs CMR technology and a six-disk design to deliver high capacity in a standard slot. It is engineered for continuous 24x7 workloads of 550TB per year.

Suited for RAID and multi-drive storage servers

This drive fits replicated and RAID multi-drive storage servers and systems that accept a 3.5-inch SATA device. It supports 4Kn, 512e and 512n sector formats for integration flexibility. It is not for buyers who need a 2.5-inch form factor or a SAS 12Gb/s interface. It is also not for users requiring a non-enterprise desktop drive with a lower workload rating.

Deciding specification: 4Kn sector format

The drive presents a 4Kn native sector size, which determines compatibility with the host controller and operating system. Systems expecting 512-byte logical sectors will require 512e emulation support or a 512n model instead. Verify that the storage platform accepts 4Kn drives before purchasing.

Highlights

  • Enterprise 8TB capacity fits 33% more data per slot
  • 7200 RPM with 256MB cache delivers fast bulk-data access
  • Engineered for 24x7 workloads up to 550TB per year
  • Advanced Write Caching boosts nearline storage efficiency
  • SATA 6.0Gb/s interface enables easy RAID integration

Specifications

BrandSeagate
SeriesEnterprise Capacity 3.5
ModelST8000NM0045
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity8TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency4.16ms
FeaturesCapacity-Optimized Enterprise Hard Drive for Bulk-Data Applications
- 8TB, 3.5-inch enterprise drive with industry-leading 6-disk technology, resulting in 33% more storage in the same storage slot
- Advanced Write Caching feature to utilize enhanced algorithms, resulting in the industry's highest nearline storage workload performance efficiencies - 100% performance improvement in random writes over last-generation drive
- Widely accepted, proven ninth-generation conventional perpendicular recording technology for reliable access to unstructured data in bulk storage applications
- 12G
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Shipping weight0.77 kg
Package size168 × 133 × 39 mm

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Questions about this item

Will the 256 MB cache need any maintenance or replacement during the drive's life?

The 256 MB cache is an integral part of the drive's controller board and does not require separate maintenance or replacement.

Which limit appears first during sustained 24x7 operation — the 550 TB per year workload rating or the 7200 RPM mechanical speed?

The 550 TB per year workload rating is the specified endurance limit for continuous operation; the 7200 RPM spindle speed remains constant.

How much heat and power does the 3.5-inch 8 TB drive produce when running all day in a multi-drive chassis?

The drive includes on-demand PowerBalance and humidity-sensor features to manage power and thermal output in dense 24x7 environments.

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