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Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard Disk Drive
Seagate

Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard Disk Drive

Bottom line: The Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard Disk is a specs-and-price decision rather than a crowd-consensus one in the drives & media category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

Model: ST3120022A. 1piece Seagate 3. 5" IDE 120GB Desktop Hard Drive. Capacity: 120GB. 1x 120GB Hard Drive. All hdd hard drive ,we test before sending. Spindle Speed: 7200 RPM. This item by us carry a Full One-Year Manufacturer Warranty.

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SpecPicks Verdict

SpecPicks scored Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard… using a rating × review-volume × price-fit model applied to published specs and reviews across the drives & media category. Seagate's drives & media lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for drives & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Full Specifications

rpm7200
interfacePATA/IDE
capacity_gb120

Ready to buy?

Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard Disk Drive is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Seagate 120GB ST3120022A 7200RPM PATA IDE 3.5" Internal HDD Hard Disk Drive
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