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Silver 3.5 inch bare hard drive with IDE connector and green circuit board visible

Seagate

Seagate ST3160212A BarraCuda 7200.9 160GB 7200 RPM 2MB Cache IDE 3.5" internal hard drive

SKU CH-S8K6-HMPZ9 MPN ST3160212A

160 GB desktop hard drive with 7200 RPM, 2 MB cache, 11 ms seek time and IDE Ultra ATA100 interface

  • Total capacity160 GB
  • Interface typeIDE Ultra ATA100 / ATA-6
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory2 MB
  • 160 GB capacity stores your operating system and files
  • 7200 RPM spindle speed delivers super-fast performance
  • 2 MB cache buffers data for responsive access
  • IDE Ultra ATA100 interface connects to legacy motherboards
  • Whisper-quiet acoustics keep the system silent

160GB IDE desktop drive

The Seagate ST3160212A is a 160GB 3.5-inch internal hard drive built for legacy desktop systems that still use the IDE Ultra ATA100 interface. It spins at 7200 RPM with a 2MB cache and targets owners of older PCs or industrial equipment who need a new replacement drive for existing bays.

Installation notes for bare IDE drive

Supplied as a bare drive without cables, brackets or mounting screws, so installers must reuse hardware from the system being repaired. The 40-pin IDE connector and standard 3.5-inch form factor fit directly into legacy drive bays, but users must set the master or slave jumper correctly and ensure the host BIOS recognises the full 160GB capacity.

Sustained workload behaviour

Average seek time is 11ms and average write time is 12ms, with 4.16ms latency reflecting the 7200 RPM spindle speed. The 2MB cache provides modest buffering for sequential transfers, while the manufacturer highlights rugged shock resistance for reliable operation during extended read and write sessions in desktop environments.

How it compares

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

Price $50.99
Cheaper than about 77% of the 4,938 comparable items (median $107.99).
Total capacity 160 GB
Lower than about 94% of the 2,372 comparable items (median 2 TB).
Price per TB $318.69 per TB
Pricier than about 85% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda 7200.9
Model nameST3160212A
Total capacity160 GB
Performance
Rotational speed7,200 RPM
Average seek time11 ms
Mean write time12 ms
Mean latency4.16 ms
Storage
Cache memory2 MB
Ports & slots
Interface typeIDE Ultra ATA100 / ATA-6
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.68 kg
Package size203 × 152 × 51 mm

Questions about this item

How can I confirm the ST3160212A is performing correctly after installation?

Run a diagnostic tool and verify the drive reports 160GB capacity, 7200 RPM speed and an average seek time near 11ms with write time around 12ms.

What comes with the bare-drive ST3160212A and what must I source separately?

The box contains only the 3.5" IDE Ultra ATA100 hard drive itself; you will need to provide an IDE data cable, a 4-pin Molex power connector and mounting screws.

Which capacity version of the BarraCuda 7200.9 ST3160212A should I select?

This model is offered in a single 160GB capacity, so there is no alternative version to choose from.

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