Crucial

Crucial 2GB, 240-pin DIMM, DDR2 PC2-6400,

Name: Crucial 2GB, 240-pin DIMM, DDR2 PC2-6400,
Brand: Crucial
SKU: B07F243G6D
Price: 19.99 USD
Availability: InStock

Bottom line: The Crucial 2GB, 240-pin DIMM, DDR2 PC2-6400, is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category, priced around $19.99 on Amazon as of 2026-10-21 04:26 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$19.99

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🛒 See live eBay price Also on Amazon — $19.99 Compare to similar memory & ram

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 →

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

✓ 240-pin DIMM

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

Manufacturer description

Memoire D2 800 2G (1x2G) CRUCIAL *CT25664AA800* 9100

SpecPicks Verdict

SpecPicks scored Crucial 2GB, 240-pin DIMM, DDR2 PC2-6400, using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. Crucial'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

240-pin DIMM
DDR2-800

Full Specifications

Brand	Crucial
RAM Size	2 GB
Model Name	Memoire D2 800 2G (1x2G) CRUCIAL CT25664AA800 9100
Form Factor	DIMM
Memory Speed	800 MHz
Model Number	CT25664AA800
Number of Pins	240
Mfr Part Number	CT25664AA800
Number of Items	1
Memory Generation	DDR2
Compatible Devices	Desktop
Data Transfer Rate	800 MHz
Memory Form Factor	DIMM
Computer Memory Size	2 GB
RAM Memory Technology	DDR4
Global Trade Identification Number	00649528739100

Ready to buy?

Crucial 2GB, 240-pin DIMM, DDR2 PC2-6400, 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 →

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.