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Seagate 1TB Constellation.2 2.5" Internal SAS 6Gb/s Hard Drive - ST91000640SS


The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering both 1TB capacities and enterprise reliability at the industry's lowest power consumption for storage-hungry nearline applications.   Learn more about the product
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eCOST Part#: 8266360
Mfr Part#: ST91000640SS
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Platform: Universal
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UPC:0728663105763
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Bulk data storage in a small footprint.

The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering both 1TB capacities and 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 available to help you protect your data.

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

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.

Big storage for small spaces.

Constellation.2 hard drives can help you deploy additional enterprise storage without expanding your data center.

With its 15mm z-height, the 1TB model is the first 2.5-inch hard drive capacity-optimized for dense, space-constrained data centers. This model can help you store twice as much data in the same footprint, supporting up to 76TB of storage per square foot.

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.

General
Device Type Hard drive - internal
Capacity 1 TB
Form Factor 2.5"
Interface Serial Attached SCSI 2
Buffer Size 64 MB
Features Idle Read After Write (IRAW), Background Media Scan (BMS), Perpendicular Magnetic Recording (PMR), PowerChoice , S.M.A.R.T.
Width 2.8 in
Depth 4 in
Height 0.6 in
Weight 7.1 oz
Performance
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
Reliability
MTBF 1,400,000 hours
Non-Recoverable Errors 1 per 10^15
Expansion & Connectivity
Interfaces 1 x Serial Attached SCSI 2
Compatible Bays 1 x internal - 2.5"
Miscellaneous
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 1TB Constellation.2 2.5" Internal SAS 6Gb/s Hard Drive (ST91000640SS)

The Seagate Constellation.2 drive is the only 2.5-inch enterprise-class hard drive delivering both 1TB capacities and enterprise reliability at the industry's lowest power consumption for storage-hungry nearline applications.

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