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Silver rectangular 3.5 inch SAS hard drive with circuit board visible

Seagate

Seagate Constellation ES.3 ST2000NM0023 2 TB 3.5" SAS 7200 rpm 128 MB internal hard drive

SKU CH-48DH-RXEGQ

A 2 TB 3.5-inch SAS drive spinning at 7200 rpm with 128 MB cache for nearline storage

  • 2 TB capacity stores large datasets
  • 7200 rpm spindle speed delivers responsive throughput
  • 128 MB cache buffers bursts for smoother I/O
  • SAS 6 Gb/s interface connects directly to enterprise controllers

Enterprise storage drive

The Seagate Constellation ES.3 ST2000NM0023 is a 2000 GB 3.5-inch internal hard drive built for near-line server and storage arrays. It spins at 7200 rpm with a 128 MB buffer and connects through a SAS interface. The drive is supplied new in retail or OEM packaging.

SAS 6 Gb/s interface limit

The SAS 6 Gb/s link caps sustained throughput at the interface level, so sequential transfers cannot exceed that bandwidth regardless of the media speed. Random I/O performance is further constrained by the 7200 rpm rotational latency. Workloads needing higher sustained rates or lower access times will require faster media or a quicker interface.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 94% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 2000 GB version or a different capacity?

This model provides exactly 2000 GB of storage in a 3.5 inch form factor; select it when you need that capacity, otherwise look for another capacity in the same series.

What does the 7200 rpm spindle speed mean for everyday server use?

The 7200 rpm rotation delivers consistent throughput for sequential workloads and keeps random-access latency low enough for typical nearline SAS arrays.

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