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Silver 3.5 inch bare SATA hard drive with circuit board visible

Seagate Refurbished

Seagate BarraCuda ES.2 ST31000340NS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-QM1Y-D8JRJ MPN ST31000340NS

A refurbished 3.5" desktop hard drive with 1TB capacity, 7200 RPM speed and 32MB cache on a SATA 3.0Gb/s interface

  • Total capacity1 TB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory32 MB
  • Enterprise-class reliability with 7200 RPM spindle speed
  • Responsive data access via 32MB cache buffer
  • SATA 3.0Gb/s interface for broad system compatibility
  • 1TB capacity fits standard 3.5-inch drive bays
  • Low 4.16ms average latency speeds up read operations

Capacity and Interface

This refurbished Seagate BarraCuda ES.2 drive provides 1TB of storage on a 3.5-inch form factor. It connects through a SATA 3.0Gb/s interface and spins at 7200 RPM with a 32MB cache. Average latency is rated at 4.16ms.

Who This Suits

The drive fits desktop systems or entry-level servers that need a 3.5-inch SATA hard disk with a 3.0Gb/s link. It is not for buyers who require solid-state speeds or a 6Gb/s SATA interface.

Deciding Specification

The SATA 3.0Gb/s interface is the single specification that determines whether this drive matches your host controller. Verify that your motherboard or backplane supports this link speed before purchasing.

How it compares

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

Price $45.99
Cheaper than about 81% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $45.99 per TB
Cheaper than about 65% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda ES.2
Model nameST31000340NS
Total capacity1 TB
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory32 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.31 kg
Package size150 × 104 × 25 mm

Questions about this item

How much heat and noise does the 7200 RPM BarraCuda ES.2 produce during continuous operation?

The drive spins at 7200 RPM with a 32 MB cache and a 4.16 ms average latency, typical for enterprise-class 3.5" SATA drives under sustained workloads.

Which cables and host interface are required to connect the ST31000340NS?

It uses a standard SATA 3.0 Gb/s data cable and a 15-pin SATA power connector from the host system.

Will this SATA 3.0 Gb/s drive work in a system that only has SATA 1.5 Gb/s ports?

Yes, the SATA 3.0 Gb/s interface is backward compatible with SATA 1.5 Gb/s controllers, operating at the lower link speed.

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