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Silver 3.5 inch enterprise hard drive bare unit with label

Seagate

Seagate Constellation ES.3 ST3000NM0033 3TB 7200 RPM 128MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-QSFP-JC0Y7 MPN ST3000NM0033

Enterprise 3.5" SATA drive stores 3 TB at 7200 RPM with 128 MB cache for 24×7 bulk data workloads

  • Total capacity3 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory128 MB

Capacity 3TB

  • 3 TB capacity stores bulk enterprise data
  • 7200 RPM and 128 MB cache deliver sustained throughput
  • SATA 6.0 Gb/s interface fits standard servers
  • DoD 5220.22 M erase ensures clean deployment
  • 24×7 rated design supports continuous operation

Capacity and Purpose

The Seagate Constellation ES.3 ST3000NM0033 is a 3TB 3.5 inch enterprise hard drive built for 24×7 bulk-data storage. It connects via a SATA 6.0Gb/s interface and spins at 7200 RPM with a 128MB cache. The drive suits servers and storage arrays that need high-capacity, always-on operation rather than peak single-user speed.

Sustained Load Behaviour

With an average latency of 4.16ms, the drive delivers consistent throughput for sequential workloads such as backups, archives and video surveillance recording. Enterprise firmware prioritises steady performance over burst speed, and the 7200 RPM spindle maintains stable transfer rates during long write sessions. Best-in-class energy efficiency helps keep operating costs down in multi-drive enclosures.

Installation Notes

The bare drive measures 147.00mm long, 101.85mm wide and 26.10mm high, fitting standard 3.5 inch drive bays and hot-swap trays. No mounting rails or cables are included. Units are erased to DoD 5220.22-M standard and tested good; up to 25 bad sectors may be present and cosmetic markings can vary. The drive arrives unformatted and unpartitioned, so the installer must initialise it in the host system.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $201.99
Pricier than about 69% of the 4,938 comparable items (median $107.99).
Total capacity 3 TB
Higher than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $67.33 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameSeagate
Product lineConstellation ES.3
Model nameST3000NM0033
Total capacity3 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory128 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.72 kg
Package size146 × 102 × 25 mm

Other versions of this model

3 more in the same range

Questions about this item

How much power does the ST3000NM0033 draw during 24×7 operation?

The drive is described as best-in-class for energy efficiency, built for reliable 24×7 bulk data storage with a 7200 RPM spindle and 128MB cache.

Does the SATA 6.0Gb/s interface need a specific controller or backplane to work?

It connects to any standard SATA 6.0Gb/s port on a motherboard, RAID card or hot-swap backplane; the 3.5-inch form factor fits normal drive bays.

Will this 3TB enterprise drive work in a desktop that currently runs older 7200 RPM SATA drives?

Yes, it uses the same SATA interface and 3.5-inch dimensions, so it installs alongside existing drives and is recognised by the BIOS or OS without extra steps.

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