Compaq

Hp-Compaq 256Mb (2X128mb) Sdram 133Mhz Pc-133 168-Pin Ecc Registered

Name: Hp-Compaq 256Mb (2X128mb) Sdram 133Mhz Pc-133 168-Pin Ecc Registered
Brand: Compaq
SKU: B00IMY7VGM

Bottom line: The Hp-Compaq 256Mb Sdram 133Mhz Pc-133 168-Pin Ecc Registered is a specs-and-price decision rather than a crowd-consensus one in the memory & ram 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

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

🛒 See live eBay price Also on Amazon — Check price → Compare to similar memory & ram

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

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 →

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

HP-Compaq 256MB (2X128MB) SDRAM 133MHz PC-133 168-PIN ECC Registered DIMM Memory Kit (FOR SERVER ONLY)

SpecPicks Verdict

SpecPicks scored Hp-Compaq 256Mb Sdram 133Mhz Pc-133 168-Pin Ecc Registered using a rating × review-volume × price-fit model applied to published specs and reviews 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. 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.

Full Specifications

Brand	Compaq
RAM Size	128 MB
Form Factor	DIMM
Memory Speed	133 MHz
Compatibility	PC
Number of Pins	168
Mfr Part Number	201692-B21
Special Feature	Ecc, Lightweight, Registered Memory
Data Transfer Rate	256 megabits_per_second
Additional Features	Ecc, Lightweight, Registered Memory
Computer Memory Size	128 MB
RAM Memory Technology	sdram

Ready to buy?

Hp-Compaq 256Mb (2X128mb) Sdram 133Mhz Pc-133 168-Pin Ecc Registered 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.

See live eBay listings → Check Amazon listing →