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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate ST3750528AS 750GB 7200 RPM 32MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-8ZSK-PYQR3 MPN ST3750528AS

A 750 GB, 3.5-inch desktop hard drive with 7200 RPM speed, 32 MB cache and SATA 3.0 Gb/s interface

  • Total capacity750 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory32 MB

Capacity 750GB

  • 7200 RPM spindle speed delivers responsive desktop performance
  • 32 MB cache buffers bursts for smoother multitasking
  • SATA 3.0 Gb/s interface connects to standard motherboards
  • 750 GB capacity stores large media libraries and backups
  • 70 percent recycled materials reduce environmental impact

Product identity

The Seagate BarraCuda 7200.12 ST3750528AS is a 750 GB 3.5-inch desktop internal hard drive spinning at 7200 RPM with a 32 MB cache. It uses a SATA 3.0 Gb/s interface and perpendicular recording technology to serve general storage workloads in standard PC builds.

SATA 3.0 Gb/s practical limits

The SATA 3.0 Gb/s interface caps theoretical throughput at 3.0 Gb/s, which typically yields lower real-world transfer rates due to protocol overhead and mechanical latency. Average latency is 4.16 ms, and the drive is supplied as a bare unit without cables or mounting hardware.

Condition and media quality

This drive is sold new, but the supplier notes that units may show cosmetic markings or label variations and can contain up to 25 bad sectors while still passing a DoD 5220.22 M compliant erase and functional test. Buyers requiring pristine media or guaranteed zero defects should consider that this unit may not meet those standards.

How it compares

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

Price $75.99
Cheaper than about 61% of the 4,938 comparable items (median $107.99).
Total capacity 750 GB
Lower than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $101.32 per TB
Pricier than about 63% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda 7200.12
Model nameST3750528AS
Total capacity750 GB
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 weight0.61 kg
Package size146 × 102 × 25 mm

Other versions of this model

4 more in the same range

Questions about this item

Is the 750 GB capacity the only option for the ST3750528AS model?

Yes, the ST3750528AS is a single-capacity model at 750 GB; other capacities carry different model numbers.

What does the 7200 RPM spindle speed deliver in a desktop system?

The 7200 RPM motor combined with 32 MB cache and perpendicular recording provides solid performance for demanding applications and everyday desktop workloads.

How does the SATA 3.0 Gb/s interface limit real-world transfer rates?

The SATA 3.0 Gb/s link caps the maximum interface throughput at 3.0 Gb/s, so sustained reads and writes cannot exceed that bandwidth regardless of the drive’s internal speed.

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