What are the alternatives to the Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM?

Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM competes with other Memory & RAM products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Memory & RAM category for alternatives.

How is the Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM shipped and returned?

Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM is sold through Amazon. Amazon Prime members generally receive free 1-2 day shipping; non-Prime orders are subject to Amazon's standard shipping rates. Full returns policy applies per Amazon Associate terms.

Compaq

Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM

Name: Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM
Brand: Compaq
SKU: EBAY_122388157343
Availability: OutOfStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases.

🛒 See live eBay price Compare to similar memory & ram

*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM is a niche pick — read recent reviews before buying in the memory & ram category. Compare close alternatives before committing.

Part Number :128279-B21.

SpecPicks Verdict

SpecPicks scored Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the memory & ram category. Compaq's memory & ram lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for memory & ram 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Compaq's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Full Specifications

speed	PC133
server_oem	true
capacity_mb	512
frequency_mhz	133

Ready to buy?

Compaq 512MB Server Memory 128279-B21 PC133 SDRAM DIMM is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. 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.

See live eBay listings →

*Price sourced from Amazon.com. Price and availability subject to change.