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Silver 3.5 inch bare hard drive with exposed circuit board

Seagate

Seagate BarraCuda ST3750525AS 750GB 7200 RPM 32MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-TACS-WDKEN MPN ST3750525AS

A 3.5-inch SATA hard drive with 750GB capacity, 7200 RPM speed and 32MB cache for desktop storage

  • Total capacity750 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory32 MB
  • 7200 RPM spindle speed enables fast data access
  • 750 GB capacity provides ample storage for desktop workloads
  • 32 MB cache optimises burst performance and reduces throughput bottlenecks
  • SATA 6.0 Gb/s interface with NCQ delivers high bus bandwidth
  • Predicted failure rate of 0.34 % indicates industry-leading reliability

Ideal Server Storage Upgrade

This Seagate BarraCuda 750GB 3.5-inch drive ships new as a bare unit. It targets desktop and entry-level server builds that need dependable bulk capacity. The 7200 RPM spindle and 32MB cache deliver responsive throughput for everyday workloads.

SATA 6.0Gb/s Interface

The drive connects through a SATA 6.0Gb/s port with Native Command Queuing support. This revision doubles the bus bandwidth of the earlier 3.0Gb/s standard. Compatibility requires a matching SATA 6.0Gb/s controller for full speed.

750GB Capacity Headroom

The 750GB volume handles operating systems, applications and large media libraries with room to spare. Predicted failure rates of 0.34% indicate strong reliability for continuous operation. Storage runs out when multi-terabyte datasets or redundant arrays become necessary.

How it compares

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

Price $72.99
Cheaper than about 62% 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 $97.32 per TB
Pricier than about 62% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda
Model nameST3750525AS
Total capacity750 GB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Storage
Cache memory32 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.61 kg
Package size150 × 102 × 25 mm

Questions about this item

What does 7200 RPM mean for everyday desktop use?

The spindle spins at 7200 revolutions per minute, giving faster sequential throughput and lower latency than slower drives when loading games or large files.

How does the SATA 6.0Gb/s interface limit real-world speed?

The SATA 6.0Gb/s link caps sustained transfers at the bus ceiling, so the drive cannot exceed that bandwidth even if its internal media rate is higher.

Will this 3.5 inch drive fit a standard desktop bay?

Yes, it uses the 3.5 inch form factor with a 1.0 inch low-profile height, matching typical internal drive bays and mounting holes.

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