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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

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity750GB
  • RPM7200 RPM
  • Cache32MB
  • Average Latency4.16ms

Options 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.

Highlights

  • 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

Specifications

BrandSeagate
SeriesBarraCuda 7200.12
ModelST3750528AS
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity750GB
RPM7200 RPM
Cache32MB
Average Latency4.16ms
FeaturesSustainable technology for a green world:
- Typically 70 percent of drive materials is recycled.
- Complies with the RoHS directive
- Comlies with several non-regulatory restrictions
Reliable, proven perpendicular magnetic recording technology
Form Factor3.5"
Shipping weight0.61 kg
Package size146 × 102 × 25 mm

Other versions of this model

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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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