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Silver rectangular 2.5 inch internal hard drive with green circuit board visible

Seagate

Seagate Constellation.2 ST91000640NS 1TB 7200 RPM 2.5" internal hard drive

SKU CH-5WKA-79762

A 2.5-inch 7200 RPM enterprise hard drive delivering 1 TB of energy-efficient storage for servers and storage arrays

  • Enterprise-class reliability in a compact 2.5" form factor
  • 7200 RPM spindle speed delivers responsive data access
  • Serial ATA 600 interface supports high-throughput workloads
  • 1 TB capacity fits dense server and storage arrays
  • Energy-efficient design reduces power draw in always-on environments

Enterprise 2.5-inch drive for dense servers

The Seagate Constellation.2 ST91000640NS is a 1 TB internal hard drive built for enterprise robustness. It spins at 7200 RPM and fits the 2.5 inch form factor to maximise capacity in high-density servers and storage arrays. Energy efficiency is a core design goal for this model. It arrives in new condition with retail or OEM packing.

Suited for capacity-focused arrays not

This drive suits administrators who need reliable bulk storage in a small footprint for always-on workloads. It is not for builders who want solid-state latency, higher throughput for transaction-heavy databases, or larger capacities beyond 1 TB. Systems limited to 3.5 inch bays cannot accept the 2.5 inch form factor without an adapter.

7200 RPM spindle speed defines sustained throughput

The single specification that decides fit is the 7200 RPM rotation rate, which sets the sustained transfer ceiling for sequential workloads. Verify that the host controller and backplane can utilise this speed before purchase. The 600 figure in the supplier title references the interface rate, but rotational speed remains the practical limiter for mechanical I/O.

How it compares

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

Price $74.99
Cheaper than about 61% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

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