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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate ST500DM009 500GB 7200 RPM 32MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-BA74-PPFY4 MPN ST500DM009

A 500 GB, 7200 RPM SATA 6.0 Gb/s 3.5" desktop hard drive with 32 MB cache for cost-effective storage upgrades

  • Total capacity500 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory32 MB

Model 500GB 7200RPM

  • 500 GB capacity stores large game libraries and media collections
  • 7200 RPM spindle speed delivers responsive desktop performance
  • 32 MB cache buffers bursts for smoother multitasking
  • SATA 6.0 Gb/s interface enables fast data transfers
  • 5 inch form factor fits standard desktop drive bays

Desktop storage for everyday computing

The Seagate BarraCuda ST500DM009 is a 3.5-inch internal hard drive built for desktop PCs and servers that need a straightforward capacity boost. It delivers 500GB of space over a SATA 6.0Gb/s interface and suits general-purpose workloads such as operating-system drives, media libraries or backup volumes.

Thermals noise and power profile

Spinning at 7200 RPM with a 32MB cache, the drive runs within standard desktop thermal limits and produces typical mechanical noise levels for a bare 3.5-inch unit. Average latency is rated at 6Gb/s and the physical dimensions of 146.99mm by 101.60mm by 19.99mm fit regular drive bays without special cooling requirements.

The capacity that decides fit

At 500GB this model covers light to moderate storage needs but will not satisfy users who require multi-terabyte space for large game libraries, video editing projects or extensive server arrays. The drive is supplied as a bare unit and has been erased to DoD 5220.22-M standard with up to 25 bad sectors possible.

How it compares

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

Price $38.99
Cheaper than about 87% of the 4,938 comparable items (median $107.99).
Total capacity 500 GB
Lower than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $77.98 per TB
Pricier than about 57% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda
Model nameST500DM009
Total capacity500 GB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Mean latency6Gb/s
Storage
Cache memory32 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height19.99 mm
Maximum width101.6 mm
Maximum length146.99 mm
Shipping weight0.40 kg
Package size170 × 132 × 32 mm

Other versions of this model

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Questions about this item

How do I install the 3.5" SATA drive in a desktop and what step is often missed?

Mount the drive using four 3.5" bay screws, connect the SATA data cable to a 6.0Gb/s port and attach the SATA power connector; the step often missed is securing both cables firmly so vibration does not unseat them during 7200 RPM operation.

What maintenance will the 500GB BarraCuda need and when should I plan a replacement?

No scheduled maintenance is required; monitor SMART reallocated-sector counts and replace the drive once reallocated sectors approach the 25-sector threshold reported for this model.

What limit appears first during sustained writes on this 7200 RPM SATA drive?

The 32MB cache fills quickly, so sustained throughput drops to the media transfer rate once the cache is exhausted during large sequential writes.

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