Western Digital

WD1200JB-00REA0 WESTERN DIGITAL CAVIAR 120GB 7200RPM ATA-100 IDE INTERNAL 3.5INCH 8MB BUFFER HARD DRIVE P/n: WD1200JB-00REA0 -WESTERN DIGITAL

Name: WD1200JB-00REA0 WESTERN DIGITAL CAVIAR 120GB 7200RPM ATA-100 IDE INTERNAL 3.5INCH 8MB BUFFER HARD DRIVE P/n: WD1200JB-00REA0 -WESTERN DIGITAL
Brand: Western Digital
SKU: B00DH4AYOS

Bottom line: The WD1200JB-00REA0 WESTERN DIGITAL CAVIAR 120GB 7200RPM ATA-100 IDE 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.

Live pricing on eBay

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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. About the author →

Pros & Cons

Pros

✓ 120GB IDE DRIVE LBA 234441648

Cons

✗ 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

SpecPicks Verdict

SpecPicks scored WD1200JB-00REA0 WESTERN DIGITAL CAVIAR 120GB 7200RPM ATA-100 IDE… using a rating × review-volume × price-fit model applied to published specs and reviews across the drives & media category. Western Digital'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.

Key Features

Picture may not match actual product. Please contact Seller for more detailed pictures in the event of an unclear image.
120GB IDE DRIVE LBA 234441648
Many of these parts and models are old; please contact the individual sellers if more details are needed.

Full Specifications

Brand	Western Digital
Hard Disk Size	120 GB
Special Feature	Portable
Installation Type	Internal Hard Drive
Compatible Devices	Desktop
Hard Disk Interface	IDE
Hard Disk Description	Ide
Hard Disk Form Factor	3.5 Inches
Connectivity Technology	SATA
Digital Storage Capacity	120 GB

Ready to buy?

WD1200JB-00REA0 WESTERN DIGITAL CAVIAR 120GB 7200RPM ATA-100 IDE INTERNAL 3.5INCH 8MB BUFFER HARD DRIVE P/n: WD1200JB-00REA0 -WESTERN DIGITAL 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. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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