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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate BarraCuda LP ST32000542AS 2TB 5900 RPM 32MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-A2AQ-DNC09 MPN ST32000542AS

A 2 TB 3.5" desktop hard drive with 5900 RPM, 32 MB cache and a SATA 3.0Gb/s interface for everyday storage

  • Total capacity2 TB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeHard Drive
  • Rotational speed5,900 RPM
  • 2 TB capacity stores large media libraries and backups
  • 5900 RPM spindle reduces power draw and heat output
  • 32 MB cache buffers frequent read and write requests
  • SATA 3.0 Gb/s interface connects to standard desktop motherboards
  • Whisper-quiet 25 dB idle acoustics suit noise-sensitive systems

Low-Power 2TB Desktop Drive

The Seagate BarraCuda LP ST32000542AS is a 2TB 3.5-inch internal hard drive built for daily computing workloads. Its 5900 RPM spindle speed and 32MB cache deliver reliable throughput for general storage tasks. The SATA 3.0Gb/s interface ensures broad compatibility with desktop motherboards and controllers.

Bare Drive With Quiet Operation

Supplied as a bare drive without cables or mounting brackets, it fits standard 3.5-inch bays using common screws. The low-power design reduces heat output and keeps idle acoustics at 25dB for a quieter system environment. Lower power draw also eases demand on the power supply during sustained use.

Replaces Higher-Power Desktop Drives

This drive suits builders upgrading from older, louder mechanical drives that consume more energy and run hotter. The jump is worthwhile when lower operating noise and reduced thermal load matter more than peak transfer speed. Buyers needing faster random access or sustained sequential rates should consider solid-state alternatives.

How it compares

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

Price $173.99
Pricier than about 64% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $87.00 per TB
Pricier than about 60% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda LP
Model nameST32000542AS
Total capacity2 TB
Recommended useFor Daily Computing
Performance
Rotational speed5,900 RPM
Mean latency5.1 ms
Storage
Flash memory typeHard Drive
Cache memory32 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.36 kg
Package size148 × 102 × 27 mm

Questions about this item

What does the SATA 3.0Gb/s interface limit in practice?

The SATA 3.0Gb/s interface caps the theoretical maximum transfer rate at 3.0Gb/s, so sustained read and write speeds cannot exceed this bandwidth.

What physical space and mounting does the 3.5" form factor require?

This 3.5-inch drive needs a standard 3.5-inch drive bay and four side or bottom mounting screws to secure it in a desktop chassis.

How is the drive installed and what step is often missed?

Connect the SATA data cable to the motherboard and the SATA power cable from the PSU, then initialise and format the 2TB volume in the operating system before use.

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