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Seagate Constellation.2 ST91000640NS - Hard drive - 1 TB - internal - 2.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB (ST91000640NS)

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Seagate Constellation.2 ST91000640NS - Hard drive - 1 TB - internal - 2.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB
  • MacMall Part #: 8423813 
  • Manufacturer Part #: ST91000640NS 
  • UPC: 0728663105770 
  • Platform: Universal 

Supersize your enterprise storage

The Seagate Enterprise Capacity 3.5 HDD V.3 (formerly Constellation® ES.3) delivers the scalability that data centers need to reliably meet their demanding growth of unstructured data.

  • Highest-capacity enterprise drive, up to 4TB for maximum density server and storage solutions
  • Perfect for reliable, 24×7 bulk data storage
  • Predictable 7200-RPM performance even in the most rugged multi-drive SAS or SATA environments
  • Best-in-class energy efficiency with low power and cooling requirements
  • Protect your data and ease data disposal costs and management with the SED FIPS 140-2 option



Reliable bulk data storage for a 24x7 world

Building high capacity RAID storage solutions requires predictable and consistent performance. With the Constellation ES.3, we take it a step further and ensure your data is reliably stored in multi-drive chassis solutions.

Boost your storage capacities – and conserve power

Storing massive amounts of unstructured data is easy and smart with the Constellation ES.3. Designed with best-in-class energy efficiency, it uses a minimum power and cooling envelope to store up to 152TB per square foot.

Technical Specs

Device Type Hard drive - internal
Capacity 1 TB
Form Factor 2.5"
Interface SATA 6Gb/s
Buffer Size 64 MB
Bytes per Sector 512
Features Native Command Queuing (NCQ), Perpendicular Magnetic Recording (PMR), PowerChoice , S.M.A.R.T.
Width 2.8 in
Depth 4 in
Height 0.6 in
Weight 7.05 oz
Drive Transfer Rate 600 MBps (external)
Seek Time 8.5 ms (average)
Track-to-Track Seek Time 0.7 ms
Average Latency 4.16 ms
Spindle Speed 7200 rpm
MTBF 1,400,000 hours
Non-Recoverable Errors 1 per 10^15
Expansion & Connectivity
Interfaces 1 x SATA 6 Gb/s - 7 pin Serial ATA
Compatible Bays 1 x internal - 2.5"
Compatible with Windows 7 "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.
Manufacturer Warranty
Service & Support 5 years warranty
Service & Support Details Limited warranty - 5 years
Environmental Parameters
Min Operating Temperature 41 °F
Max Operating Temperature 140 °F
Humidity Range Operating 5 - 95%
Shock Tolerance 70 g @ 2ms (operating) / 400 g @ 2ms (non-operating)
Vibration Tolerance 0.5 g @ 5-500 Hz (operating) / 3 g @ 5-500 Hz (non-operating)
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Seagate Constellation.2 ST91000640NS - Hard drive - 1 TB - internal - 2.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB (ST91000640NS)

Seagate Constellation.2 ST91000640NS - Hard drive - 1 TB - internal - 2.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB

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