Skip to main content
A-Tech 4GB (2x2GB) DDR2 667MHz DIMM PC2-5300 1.8V CL5 240-Pin Non-ECC UDIMM Desktop RAM Memory Upgrade Kit
A-Tech

A-Tech 4GB (2x2GB) DDR2 667MHz DIMM PC2-5300 1.8V CL5 240-Pin Non-ECC UDIMM Desktop RAM Memory Upgrade Kit

Bottom line: The A-Tech 4GB (2x2GB) DDR2 667MHz DIMM PC2-5300 1.8V CL5 240-Pin Non-ECC: 4GB dual-channel kit (2x 2GB) for DDR2 desktops; main trade-off: legacy DDR2 only; won't fit DDR3 or DDR4 boards.

Live pricing on eBay

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

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.

Pros & Cons

Pros

  • ✓ 4GB dual-channel kit (2x 2GB) for DDR2 desktops
  • ✓ Lifetime warranty plus US-based tech support
  • ✓ Fits Dell, HP, ASUS, Lenovo, Acer and more brands
  • ✓ Standard 667MHz PC2-5300, CL5, 1.8V, 240-pin spec

Cons

  • ✗ Legacy DDR2 only; won't fit DDR3 or DDR4 boards
  • ✗ 667MHz trails faster DDR2-800 (PC2-6400) modules
  • ✗ 4GB ceiling limits 32-bit operating systems
  • ✗ Non-ECC unbuffered, so not for ECC server boards

SpecPicks Verdict

SpecPicks scored A-Tech 4GB (2x2GB) DDR2 667MHz DIMM PC2-5300 1.8V CL5 240-Pin… 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

  • Kit Size: 4GB (2x 2GB Modules) | Memory Type: DDR2 DIMM Memory RAM for Desktop Computers
  • Speed: 667MHz PC2-5300 / (PC2-5300U) | ECC Type: Non-ECC Unbuffered | Pin Count: 240-Pin | Voltage: 1.8V
  • Designed for Select (not limited to) Acer, Alienware, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba Desktop Computer Models
  • All A-Tech modules undergo stringent quality assurance testing to ensure high performance and reliability
  • A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

Full Specifications

BrandA-Tech
Speed667MHz PC2-5300 / (PC2-5300U) | ECC Type: Non-ECC Unbuffered | Pin Count: 240-Pin | Voltage: 1.8V
Voltage1.8 Volts
Kit Size4GB (2x 2GB Modules) | Memory Type: DDR2 DIMM Memory RAM for Desktop Computers
RAM Size4 GB
Form Factor240-Pin
Memory Speed667 MHz
Model NumberNATAL-MR-PN-8730430
Number of Pins240
Mfr Part Number2gb-5300-atc
Memory GenerationDDR2
Compatible DevicesDesktop
Data Transfer Rate667 MHz
Memory Form FactorUDIMM
Additional FeaturesHigh Performance
Computer Memory Size4 GB
Warranty DescriptionLimited Lifetime Warranty Covering Defects In Materials And Workmanship
RAM Memory TechnologyDDR2
Column Address Strobe Latency5

Ready to buy?

A-Tech 4GB (2x2GB) DDR2 667MHz DIMM PC2-5300 1.8V CL5 240-Pin Non-ECC UDIMM Desktop RAM Memory Upgrade Kit 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 →

Related Memory & RAM

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →