We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 3.5 inch bare hard drive with exposed circuit board and SATA connectors

Seagate

Seagate Constellation ES.2 ST32000645NS 2TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-NEZ6-FAMHB MPN ST32000645NS

A 2TB 3.5" enterprise drive with 7200 RPM, 64MB cache and SATA 6.0Gb/s built for 24x7 server workloads

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity2TB
  • RPM7200 RPM
  • Cache64MB
  • Average Seek Time8.5ms
  • 2TB capacity stores large enterprise datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 64MB cache buffers bursts for smooth performance
  • SATA 6.0Gb/s interface enables high-speed host transfers
  • 24×7 nearline design built for continuous operation

Seagate Constellation ES.2 2TB Enterprise Drive

The Seagate Constellation ES.2 ST32000645NS is a 2TB 3.5" internal hard drive built for 24x7 enterprise workloads. It connects via a SATA 6.0Gb/s interface and spins at 7200 RPM with a 64MB cache. The drive uses SAS-based end-to-end data integrity and enhanced error correction for accurate storage. Dual processors and ramp load technology support robust performance in multi-drive environments.

Suits high-capacity bulk data centres

This drive fits high-capacity bulk data centre storage, mainstream enterprise external storage arrays, and backup or restore infrastructures. It also serves centralized surveillance systems needing sustained write performance. Buyers needing faster random access for transactional databases or low-latency application drives should consider solid-state alternatives. Systems requiring a SAS physical interface instead of SATA will need a different model.

2TB capacity with enterprise vibration tolerance

The 2TB capacity handles large sequential datasets, video archives, and backup repositories with enhanced rotational vibration tolerance for consistent multi-drive performance. Average seek time of 8.5ms and write time of 9.5ms set expectations for random I/O latency. Workloads demanding sub-millisecond latency or high IOPS will exceed the mechanical limits of this platform.

Highlights

  • 2TB capacity stores large enterprise datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 64MB cache buffers bursts for smooth performance
  • SATA 6.0Gb/s interface enables high-speed host transfers
  • 24×7 nearline design built for continuous operation

Specifications

BrandSeagate
SeriesConstellation ES.2
ModelST32000645NS
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity2TB
RPM7200 RPM
Cache64MB
Average Seek Time8.5ms
Average Write Time9.5ms
Average Latency4.16ms
FeaturesIndustry's highest capacity enterprise drive for sustaining demanding data growth
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 techn
UsageIdeal for Servers
Form Factor3.5"
Shipping weight1.36 kg
Package size178 × 133 × 38 mm

Questions about this item

Does the ST32000645NS need a SATA 6.0Gb/s port or will an older SATA port work?

The drive uses a SATA 6.0Gb/s interface and is compatible with earlier SATA revisions, operating at the highest speed the host port supports.

Will the 3.5" form factor and 7200 RPM speed fit in my existing server chassis alongside older drives?

It matches the standard 3.5" enterprise form factor and 7200 RPM spindle speed, so it installs in the same drive bays and power connectors as earlier nearline drives.

How can I verify the Constellation ES.2 is performing to its 8.5ms seek and 9.5ms write specifications after installation?

Run a SMART attribute check and a benchmark tool such as CrystalDiskMark; sustained access times near 8.5ms read and 9.5ms write confirm the drive is operating within its rated specifications.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.