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Seagate® Constellationâ„¢ ES fourth-generation drives are among the highest-capacity drives available and are the only 6Gb/s SAS nearline hard drives on the market. These drives feature enterprise-class reliability and power and performance efficiencies, making them ideal for business-critical, 24×7 multi-drive server and storage environments.

Key Features and Benefits

  • Reduces design and support costs by building on the Seagate best-in-class enterprise storage foundation
  • Features the maximum capacity available—up to 2TB—in a 3.5-inch enterprise-class hard disk drive
  • Features a traditional 3.5-inch form factor with enhanced rotational vibration tolerance and high data integrity for enterprise-class reliability in a cost-effective drive
  • Delivers proven reliability, with an MTBF* of 1.2 million hours
  • Lets you choose a 3Gb/s Enterprise SATA or 6Gb/s SAS interface which eases integration and delivers up to 2x the throughput of traditional 3Gb/s nearline hard drives
  • Reduces energy and cooling costs, with the lowest power consumption of any nearline 3.5-inch drive
  • Includes Seagate PowerChoiceâ„¢ technology for even greater on-demand power savings during slow or idle periods
  • TCG-compliant, Self-Encrypting Drive (SED) security option (SAS models only) eliminates the need to overwrite or physically destroy drives, enables safe return of drives for warranty or expired lease purposes and allows organizations to securely repurpose or sell hard disk drives**

*Mean time between failures

**Not available in all countries

Specifications

Technical

  • Model Number: ST32000644NS
  • Interface: SATA 3Gb/s
  • Cache: 64MB
  • Capacity: 2TB
  • Areal density (avg): 347Gb/in2
  • Guaranteed Sectors: 3,907,029,168

Physical

  • Height: 26.1mm (1.028 in)
  • Width: 101.6mm (4.010 in)
  • Length: 146.99mm (5.787 in)
  • Weight (typical): 710g (1.565 lb)

Performance

  • Spin Speed: 7,200 RPM
  • Sustained data transfer rate: 140Mb/s
  • Average latency: 4.16ms
  • Random read seek time: 8.5ms
  • Random write seek time: 9.5ms
  • I/O data transfer rate: 300MB/s
  • Unrecoverable read errors: 1 in 10

Reliability

  • MTBF: 1,200,000 hours
  • Annual Failure Rate: 0.73%

Power

  • Average idle power: 6.39W
  • Maximum start current, DC: 2.8

Ambient Temperature

  • Operating: 5°–60°C
  • Nonoperating: -40°–70°C
  • Maximum operating temperature change: 20°C per hour
  • Maximum nonoperating temperature change: 30°C per hour

Shock

  • Operating Shock (max): 80 Gs for 2ms
  • Nonoperating Shock (max): 300 Gs for 2ms

Acoustics

  • Acoustics (Idle Volume): 2.7 bels
  • Acoustics (Seek Volume): 3.0 bels

Warranty

  • 3 year company provided

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SKU: ST32000644NS Category: