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Seagate Constellation.2 ST91000640NS

Mfg Part #: ST91000640NS

Seagate Constellation.2 ST91000640NS

Ordering Information
Our Price$229.26
ConditionNew and Factory Sealed
Out of Stock as of 2:47am 3/29/2014

The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering enterprise reliability at the industry's lowest power consumption for storage-hungry nearline applications. Self-Encrypting Drive (SED) and FIPS 140-2 Validated SED security options are available to help you protect your data.

Unparalleled power savings
Constellation.2 hard drives reduce per-gigabyte cooling and energy costs by packing high capacities into an SFF, low-power-consumption drive. Included Seagate PowerChoice technology can further reduce energy costs by empowering IT organizations to tailor systems for optimal performance and power consumption.

Secure self-encryption
Constellation.2 hard drives are available as Self-Encrypting Drive models. SED options can improve data-at-rest security and reduce drive retirement costs. Meets regulatory data security compliance requirements and is FIPS 140-2 Validated to protect Sensitive but Unclassified and Protected class data.

Product Highlights
  • Maximizes data center footprint with up to 76TB per square foot
  • Energy efficient storage at under 3.9 watts
  • Highest nearline reliability with an MTBF of 1.4M hours
  • 6Gb/s performance in both SAS and SATA interfaces

General Specifications

Manufacturer Part #ST91000640NS
Cost Central Item #11265868
Product DescriptionSeagate Constellation.2 ST91000640NS - Hard drive - 1 TB - internal - 2.5" - SATA-600 - 7200 rpm - buffer: 64 MB
TypeHard drive - internal
Capacity1 TB
Form Factor2.5"
InterfaceSerial ATA-600
Data Transfer Rate600 MBps
Buffer Size64 MB
Spindle Speed7200 rpm
FeaturesNative Command Queuing (NCQ), Perpendicular Magnetic Recording (PMR), PowerChoice , S.M.A.R.T.
Approximate Dimensions (WxDxH)2.8 in x 4 in x 0.6 in
Approximate Weight7.1 oz
Microsoft CertificationCompatible with Windows 7
Manufacturer Warranty5 years warranty

Extended Specifications

Device TypeHard drive - internal
Capacity1 TB
Form Factor2.5"
InterfaceSerial ATA-600
Buffer Size64 MB
Bytes per Sector512
FeaturesNative Command Queuing (NCQ), Perpendicular Magnetic Recording (PMR), PowerChoice , S.M.A.R.T.
Approximate Width2.8 in
Approximate Depth4 in
Approximate Height0.6 in
Approximate Weight7.1 oz
Drive Transfer Rate600 MBps (external)
Seek Time8.5 ms (average)
Track-to-Track Seek Time0.7 ms
Average Latency4.16 ms
Spindle Speed7200 rpm
MTBF1,400,000 hours
Non-Recoverable Errors1 per 10^15
Expansion & Connectivity
Interfaces1 x Serial ATA-600 - 7 pin Serial ATA
Compatible Bays1 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 & Support5 years warranty
Service & Support DetailsLimited warranty - 5 years
Environmental Parameters
Min Operating Temperature41 °F
Max Operating Temperature140 °F
Humidity Range Operating5 - 95%
Shock Tolerance70 g @ 2ms (operating) / 400 g @ 2ms (non-operating)
Vibration Tolerance0.5 g @ 5-500 Hz (operating) / 3 g @ 5-500 Hz (non-operating)

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