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Silver 3.5 inch bare SATA hard drive with exposed circuit board

Seagate

Seagate ST3320613AS 320GB 7200 RPM 16MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-4PQZ-TKKFS MPN ST3320613AS

320 GB desktop hard drive spinning at 7200 RPM with 16 MB cache and a SATA 3.0 Gb/s interface

  • Total capacity320 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory16 MB
  • 7200 RPM spindle speed accelerates data access
  • 16 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface connects to standard desktop ports
  • 320 GB capacity stores operating system and files
  • 16 ms average latency reduces wait time per request

BarraCuda 7200.11 320GB desktop drive

The Seagate ST3320613AS is a 3.5 inch desktop hard drive built for everyday storage in standard PCs. It uses a SATA 3.0Gb/s interface and spins at 7200 RPM with 16MB cache. The unit is supplied as a bare drive without cables or mounting hardware.

320GB capacity and 7200 RPM limits

The 320GB capacity suits operating system installs, applications and moderate media libraries. The 7200 RPM spindle and 4.16ms average latency provide responsive access for general workloads. Heavy video editing or large game libraries will exceed the available space quickly. Drives may contain up to 25 bad sectors.

DoD erase and bare-drive delivery

Each drive has been erased to DoD 5220.22 M compliance and tested for function, but is not formatted or partitioned. The bare-drive packaging means no SATA cable, screws or software utilities are included. Buyers who need a ready-to-use kit with accessories should look elsewhere.

How it compares

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

Price $82.99
Cheaper than about 58% of the 4,938 comparable items (median $107.99).
Total capacity 320 GB
Lower than about 87% of the 2,372 comparable items (median 2 TB).
Price per TB $259.34 per TB
Pricier than about 82% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda 7200.11
Model nameST3320613AS
Total capacity320 GB
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.80 kg
Package size203 × 152 × 51 mm

Questions about this item

Will the 3.5" SATA 3.0Gb/s interface work with my older motherboard that only has SATA 1.5Gb/s ports?

Yes, the drive is backward-compatible with SATA 1.5Gb/s ports, though it will run at the slower 1.5Gb/s transfer rate.

How can I verify the 7200 RPM drive is healthy after installation?

Run the manufacturer's SeaTools diagnostic or check SMART attributes for reallocated sectors; the drive was tested good and erased to DoD 5220.22 M standard.

Does the bare-drive package include a SATA data cable or mounting screws?

No, the bare drive ships without cables, screws, or brackets; you must supply a SATA data cable, a SATA power connector, and 3.5" mounting hardware.

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