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A-Tech 128GB Kit (4x32GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)
A-Tech

A-Tech 128GB Kit (4x32GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)

Bottom line: The A-Tech 128GB Kit is a specs-and-price decision rather than a crowd-consensus one in the memory (ram) category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ ECC Registered RDIMM; 1Rx4 (EC8, 10x4) - Single Rank x4; JEDEC DDR5 standard 1.1V
  • ✓ Backed by A-Tech's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored A-Tech 128GB Kit (4x32GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8… 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

  • A-Tech RAM Memory compatible for select DDR5 Server systems; (WILL NOT WORK with Desktop Computers/PCs or Laptop Computers)
  • 128GB RAM Kit (4 x 32GB Modules); DDR5 DIMM 288 Pin; Speeds up to 5600MHz PC5-44800 (PC5-5600B)
  • ECC Registered RDIMM; 1Rx4 (EC8, 10x4) - Single Rank x4; JEDEC DDR5 standard 1.1V
  • Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
  • Note: EC8 (10x4) ECC Registered modules cannot be mixed with EC4 (9x4) ECC Registered modules or with different ECC types such as ECC Unbuffered, 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 Size128 GB
Model NameAT32G4D5D5600RS4EC8N11V
Unit Count4.0 Count
Form FactorRDIMM
Memory Speed5600 MHz
Model NumberAT32G4D5D5600RS4EC8N11V
Number of Pins288
Mfr Part NumberAT32G4D5D5600RS4EC8N11V
Memory GenerationDDR5
Compatible DevicesServer
Data Transfer Rate44800 Megabytes Per Second
Memory Form FactorDIMM, RDIMM
Additional FeaturesEcc, Registered Memory
Computer Memory Size128 GB
Warranty DescriptionLimited Lifetime Warranty covering defects in materials and workmanship
RAM Memory TechnologyDDR5
Column Address Strobe LatencyCL46

Ready to buy?

A-Tech 128GB Kit (4x32GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series) 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.

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A-Tech 128GB Kit (4x32GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)
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