Seagate Constellation ES.2 ST32000645SS SAS Hard Drive

Seagate Part #/MPN: ST32000645SS

DiscTech Item #: SGT-ST32000645SS-FR-1Y

  • Special Order - Ships in 5-10 business days
    Special Order - Ships in 5-10 business days

    This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.


Enterprise Grade

Capacity: 2TB

Speed: 7,200RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 155

Electrical Interface: SAS-2 Serial Attached SCSI v2 - 6.0Gbps

On-Board Cache: 64MB

Seagate Constellation ES.2 ST32000645SS 2TB / 2000GB 7.2K 6.0Gbps Serial Attached SCSI / SAS Hard Drive - Factory Refurbished

  • Industry’s highest capacity enterprise drive for sustaining demanding data growth
  • Meets regulatory data security compliance requirements and is FIPS 140-2 Validated™ to protect Sensitive but Unclassified and Protected class data*
  • Fifth-generation, capacity-optimized nearline drive designed for 24x7 enterprise reliability
  • SAS-based, end-to-end data integrity and enhanced error correction for accurate data storage
  • Best-in-class enhanced rotational vibration tolerance ensures consistent bulk data performance
  • Improved power and cooling efficiencies with low power consumption and enhanced PowerChoice™ technology
  • Multi-drive firmware maximized for enterprise system availability
  • Robust performance with dual processor and ramp load technologies


This drive is compatible with any of our SAS drive trays and any of our SAS controllers.

Model NumberST32000645SS
InterfaceSAS 6Gb/s
Height (maximum)26.10mm (1.028 in)
Width (maximum)101.85mm (4.010 in)
Length (maximum)147.00mm (5.787 in)
Weight (typical)700g (1.543 lb)
Spin Speed (RPM)7200 RPM
Sustained data transfer rate155MB/s
Average latency4.16ms
Random read seek time8.5ms
Random write seek time9.5ms
I/O data transfer rate600MB/s
Unrecoverable read errors1 in 1015
MTBF1,200,000 hours
Annual Failure Rate0.73
Average idle power7.40W
Average operating power11.3W
Ambient Temperature
Maximum operating temperature change20°C per hour
Maximum nonoperating temperature change20°C per hour
Operating Shock (max)70/40 Gs for 2ms
Nonoperating Shock (max)300 Gs for 2ms
Acoustics (Idle Volume)2.8 bels
Acoustics (Seek Volume)3.2 bels

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Weight: 1.8 lb

Warranty: 1 Year Manufacturer

Factory Refurbished

Condition Levels Explained

The product has been built, rebuilt or repaired at the original manufacturer's factory (Note we NEVER sell 3rd party repaired items, as we do not find them to be reliable enough). Often these products are extremely close to new in condition, except that they contain at least one recycled or repaired component. Failure rates are often lower on these devices since they have been far more thoroughly tested than new items.

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.

1 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.