A-Tech

A-Tech 2GB (2x1GB) DDR2 800MHz UDIMM PC2-6400 CL6 1.8V DIMM Non-ECC Unbuffered Desktop RAM Memory Modules

Name: A-Tech 2GB (2x1GB) DDR2 800MHz UDIMM PC2-6400 CL6 1.8V DIMM Non-ECC Unbuffered Desktop RAM Memory Modules
Brand: A-Tech
SKU: B00C537BQ6
Price: 48.49 USD
Availability: InStock

Bottom line: The A-Tech 2GB (2x1GB) DDR2 800MHz UDIMM PC2-6400 CL6 1.8V DIMM Non-ECC ($48.49 on Amazon as of 2026-10-06): 2GB kit (2x1GB) DDR2-800 PC2-6400 240-pin DIMMs for legacy desktops; main trade-off: DDR2-only; incompatible with DDR3, DDR4, or DDR5 boards.

$48.49

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🛒 See live eBay price Also on Amazon — $48.49 Compare to similar memory & ram

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

✓ 2GB kit (2x1GB) DDR2-800 PC2-6400 240-pin DIMMs for legacy desktops
✓ JEDEC-standard CL6 timing at 1.8V for broad DDR2 compatibility
✓ Non-ECC unbuffered, fits 1Rx8 or 2Rx8 single or dual-rank slots
✓ Backed by A-Tech lifetime warranty plus tech support

Cons

✗ DDR2-only; incompatible with DDR3, DDR4, or DDR5 boards
✗ 2GB total caps heavy multitasking on modern software
✗ Non-ECC, so unsuited to ECC servers or workstations
✗ 800MHz peak speed trails later DDR3 and DDR4 memory

SpecPicks Verdict

SpecPicks scored A-Tech 2GB (2x1GB) DDR2 800MHz UDIMM PC2-6400 CL6 1.8V DIMM Non-ECC… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. A-Tech'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

Memory RAM Compatible for select DDR2 capable Desktop, PC Computers + Easy to install at home, no expertise required
Maximize your system's performance, boost loading speeds, and multitask with ease
Backed by A-Tech's Lifetime Warranty + Friendly tech support team available to help before and after your purchase
2GB RAM Kit ( 2 x 1GB Modules ) | DDR2 DIMM 240-Pin
Speeds up to 800MHz, PC2-6400
NON-ECC Unbuffered ( UDIMM ) | 1Rx8 or 2Rx8 - Single or Dual Rank | JEDEC DDR2 standard 1.8V

Full Specifications

Brand	A-Tech
Voltage	1.8 Volts
RAM Size	2 GB
Model Name	FBA_CT2KIT12864AA800
Unit Count	2.0 Count
Form Factor	DIMM
Memory Speed	800 MHz
Model Number	FBA_CT2KIT12864AA800
Compatibility	PC
Number of Pins	240
Mfr Part Number	FBA_CT2KIT12864AA800
Memory Generation	DDR2
Compatible Devices	Desktop
Data Transfer Rate	6400 Megabytes Per Second
Memory Form Factor	UDIMM
Additional Features	Lightweight
Computer Memory Size	2 GB
Warranty Description	Limited Lifetime Warranty Covering Defects In Materials And Workmanship
RAM Memory Technology	DDR2
Column Address Strobe Latency	6

Ready to buy?

A-Tech 2GB (2x1GB) DDR2 800MHz UDIMM PC2-6400 CL6 1.8V DIMM Non-ECC Unbuffered Desktop RAM Memory Modules 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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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.