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A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4 9x4) Single Rank 1.1V ECC Unbuffered DIMM 288-Pin Server, Workstation RAM Memory Upgrade Modules
A-Tech

A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4 9x4) Single Rank 1.1V ECC Unbuffered DIMM 288-Pin Server, Workstation RAM Memory Upgrade Modules

By , Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$1935.96

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*Price sourced from Amazon.com. Last updated 2026-08-25. Price and availability subject to change.

Bottom line: The A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4 9x4) Single Rank 1.1V ECC Unbuffered DIMM 288-Pin Server, Workstation RAM Memory Upgrade Modules is a niche pick — read recent reviews before buying in the memory & ram category, priced around $1935.96. Compare close alternatives before committing.

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SpecPicks Verdict

SpecPicks scored A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ ECC Unbuffered UDIMM; 1Rx8 (EC4, 9x4) - Single Rank x8; JEDEC DDR5 standard 1.1V
  • ✓ Backed by A-Tech's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • A-Tech RAM Memory compatible for select DDR5 Servers & Workstations ONLY; (*NOT COMPATIBLE WITH Desktop/Laptop Computers or PCs of any kind*)
  • 64GB RAM Kit (4 x 16GB Modules); DDR5 DIMM 288 Pin; Speeds up to 5600MHz PC5-44800 (PC5-5600B)
  • ECC Unbuffered UDIMM; 1Rx8 (EC4, 9x4) - Single Rank x8; JEDEC DDR5 standard 1.1V
  • Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
  • Note: This memory is ECC Unbuffered and cannot be mixed with different ECC types such as ECC Registered, ECC Load Reduced, or Non-ECC Unbuffered; (Memory compatibility can vary among different system models and their installed components; please verify compatibility and follow memory channel guidelines to ensure maximum performance)
  • Each A-Tech memory module is built and tested for superior performance and trusted reliability

Full Specifications

BrandA-Tech
Voltage1.1 volts
RAM Size64 GB
Form FactorDIMM
Memory Speed5600 MHz
Model NumberAT16G4D5D5600ES8EC4N11V
Number of Pins288
Mfr Part NumberAT16G4D5D5600ES8EC4N11V
Number of Items4
Compatible DevicesServer, Workstation
Data Transfer Rate44800 megabytes_per_second
Additional FeaturesECC Unbuffered, Ecc
Computer Memory Size64 GB
Warranty DescriptionLimited Lifetime Warranty covering defects in materials and workmanship
RAM Memory TechnologyDDR5
Column Address Strobe LatencyCL46

Ready to buy?

A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4 9x4) Single Rank 1.1V ECC Unbuffered DIMM 288-Pin Server, Workstation RAM Memory Upgrade Modules is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-08-25. Price and availability subject to change.

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A-Tech 64GB Kit (4x16GB) DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4 9x4) Single Rank 1.1V ECC Unbuffered DIMM 288-Pin Server, Workstation RAM Memory Upgrade Modules
$1935.96
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