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512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB
MemoryMasters

512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB

Bottom line: The MemoryMasters 512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category, priced around $12.69 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$12.69

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Buy on Amazon — $12.69 Compare to similar memory & ram

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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ MemoryMasters 512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB
  • ✓ Backed by MemoryMasters's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

While at first glance, it may be in your best interest to shop around, know that when you purchase RAM from MemoryMasters, you're getting Grade-A brand name computer memory. Cheap computer memory while possibly being compatible - can cause system crashes, error codes in your computer and even damage your motherboard! Other sellers may offer you similar looking products for a few cents or a dollar less, but here's the scoop on why: They sell cheap-grade memory and they don't test the modules before shipping! This ends up costing you time and money! Trust when you buy from MemoryMasters, you…

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SpecPicks Verdict

SpecPicks scored MemoryMasters 512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. MemoryMasters's memory & ram 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 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 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

  • MemoryMasters 512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB
  • Well Tested. Non-ECC Non parity
  • SUPPORTS DUAL CHANNEL
  • Lifetime Warranty
  • Memory Speed: 266 MHz

Full Specifications

BrandMemoryMasters
Voltage2.5 Volts
RAM Size512 MB
Form FactorDIMM
Memory Speed266 MHz
Model NumberKB_512MB_DDR_PC2100_DIMM
Number of Pins184
Mfr Part NumberM-M-66B003PJMASS
Compatible DevicesDesktop
Data Transfer Rate512 Megabits Per Second
Additional FeaturesLightweight
Computer Memory Size512 MB
RAM Memory TechnologyDDR

Ready to buy?

512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $12.69

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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512MB DDR PC2100 266MHz 184 Pin DIMM 2.5v 512 MB
$12.69
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