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A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules
A-Tech

A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules

Bottom line: The A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC ($91.98 on Amazon as of 2026-10-21 06:15 UTC): Full 16GB across four 4GB sticks fills all four DIMM slots on older desktop boards; main trade-off: non-ECC unbuffered only, so it will not work in ECC servers or workstations.

$91.98

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Buy on Amazon — $91.98 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 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Full 16GB across four 4GB sticks fills all four DIMM slots on older desktop boards
  • ✓ 1600MHz PC3-12800 with CL11 timings, the top JEDEC speed most DDR3 boards accept
  • ✓ Dual-voltage: runs 1.5V DDR3 or 1.35V DDR3L, so it fits low-power boards too
  • ✓ Limited lifetime warranty plus A-Tech tech support before and after purchase

Cons

  • ✗ Non-ECC unbuffered only, so it will not work in ECC servers or workstations
  • ✗ Ships as either 1Rx8 or 2Rx8 rank, which some picky boards reject
  • ✗ 4x4GB uses every slot, leaving no room to expand past 16GB later
  • ✗ CL11 is a loose latency compared with CL9 enthusiast DDR3 kits

Manufacturer description

The A-Tech 16GB DDR3 kit is a four-module set built for older 240-pin desktop boards that still have four DIMM slots to fill. Each of the four 4GB modules runs at 1600MHz (PC3-12800) with CL11 timings, non-ECC and unbuffered, so it drops into standard consumer motherboards rather than server platforms. The kit follows JEDEC standards at 1.5V DDR3 or 1.35V DDR3L, and the modules ship as 1Rx8 or 2Rx8 depending on the batch, which matters if your board is picky about rank configuration. For a retro or second-life build running a Sandy Bridge, Ivy Bridge, or AM3+ platform, moving from 8GB to a…

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SpecPicks Verdict

SpecPicks scored A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin 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.

Frequently Asked Questions

Will this 16GB kit work in my motherboard?

It fits desktop boards with 240-pin DDR3 DIMM slots that accept non-ECC unbuffered memory at up to 1600MHz. It will not work in DDR4, DDR5, SO-DIMM laptop, or ECC/registered server boards. Check your motherboard manual for its maximum supported capacity and rank configuration before ordering.

Is this DDR3 or DDR3L, and does the voltage matter?

Both. The modules are JEDEC standard and run at either 1.5V DDR3 or 1.35V DDR3L, so they work in standard desktop boards and in low-voltage boards that require DDR3L. You do not need to choose a separate version.

Do I have to install all four 4GB sticks?

No. It is a 16GB kit of four 4GB modules, but you can install two for 8GB and add the rest later. For dual-channel operation, seat matched pairs in the slots your motherboard manual specifies, usually the same-colored slots.

Will 16GB actually speed up my older PC?

It adds capacity rather than raw clock speed. Going from 4GB or 8GB to 16GB reduces disk swapping when you run many browser tabs, virtual machines, or older creative applications. If your system already has 16GB, this kit will not change performance.

What warranty and support come with it?

A-Tech backs the modules with a limited lifetime warranty and a tech support team available before and after purchase. Every module goes through the company's quality control testing before shipping. Check the product listing for current warranty claim details.

Key Features

  • A-Tech Memory RAM upgrade compatible for select Desktop PC/Computers
  • 16 GB RAM Kit (4 x 4GB Modules); DDR3 DIMM 240-Pin; Speeds up to 1600 MHz, PC3-12800/PC3-12800U
  • NON-ECC Unbuffered ( UDIMM ); 1Rx8 or 2Rx8 (Single or Dual Rank); JEDEC standard DDR3 1.5V or DDR3L 1.35V
  • Expands your system's available Memory RAM resource, improving performance, speed and allowing you to take on more while maintaining a smooth experience
  • Quick and easy to install, no expertise required (Please refer to your system's manual for seating and channel guidelines)
  • All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance

Full Specifications

BrandA-Tech
Voltage1.5 Volts
RAM Size16 GB
Model NameA-Tech
Form FactorDIMM
Memory Speed1600 MHz
Model NumberAT4G4D3D1600NA0NNV
CompatibilityPC
Item Type NameComputer RAM Memory
Number of Pins240
Mfr Part NumberAT4G4D3D1600NA0NNV
Memory GenerationDDR3
Compatible DevicesDesktop, Workstation
Data Transfer Rate12800 Megabytes Per Second
Memory Form FactorDIMM
Additional FeaturesLightweight
Computer Memory Size16 GB
Warranty DescriptionLimited Lifetime Warranty covering defects in materials and workmanship
RAM Memory TechnologyDDR3
Column Address Strobe Latency11

Ready to buy?

A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules 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 — $91.98

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

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A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules
$91.98
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