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Silver 3.5 inch SAS hard drive with circuit board visible

Seagate

Seagate ST4000NM0023 Constellation ES.3 4TB 7200RPM SAS 128MB 3.5" internal hard drive

SKU CH-A90H-7NW10

4 TB enterprise SAS hard drive with 7200 RPM spindle speed and 128 MB cache for server storage arrays

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle speed speeds data access
  • 128 MB cache buffers intensive workloads
  • SAS 6 Gb/s interface connects to servers
  • Perpendicular magnetic recording boosts areal density

Constellation ES.3 4TB SAS drive

The Seagate ST4000NM0023 is a 4000GB enterprise-class hard drive spinning at 7200RPM with a 128MB cache. It uses a 3.5" SAS 6Gb/s interface and perpendicular magnetic recording technology. The unit is supplied new with zero operating hours and includes background media scan and drive self-test features.

For servers needing 4TB SAS storage

This drive suits server and storage-array builders who require a 3.5-inch SAS drive with 7200RPM performance and 128MB buffer. It is not intended for desktop or laptop computers that lack a SAS host controller. Buyers needing a different capacity or interface should consider other models.

3.5-inch SAS 6Gb/s interface

The single specification that determines compatibility is the 3.5" SAS 6Gb/s interface. The system must provide a SAS backplane or controller with matching physical and electrical connectors. Without a SAS host connection the drive cannot be used.

Punti di forza

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle speed speeds data access
  • 128 MB cache buffers intensive workloads
  • SAS 6 Gb/s interface connects to servers
  • Perpendicular magnetic recording boosts areal density

Caratteristiche tecniche

Nessuna caratteristica ancora pubblicata per questo articolo.

Domande su questo articolo

Does the ST4000NM0023 ship with cables or a mounting kit, or must those be purchased separately?

The drive is supplied as a bare 3.5" SAS unit; SAS data and power cables plus any mounting brackets are not included and must be sourced separately.

The listing shows a single 4000GB capacity — are there other capacities or cache sizes for this model?

This part number ST4000NM0023 is fixed at 4000GB with a 128MB buffer; other capacities or cache sizes carry different model numbers.

What does the 7200RPM spindle speed mean for throughput in a SAS 6Gb/s server backplane?

At 7200RPM the drive delivers sustained sequential transfers up to the 6Gb/s SAS link limit, with 128MB cache absorbing burst workloads in multi-drive arrays.

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