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A-Tech 256GB Kit (8x32GB) DDR4 2933MHz PC4-23400 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
A-Tech

A-Tech 256GB Kit (8x32GB) DDR4 2933MHz PC4-23400 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)

Bottom line: The A-Tech 256GB Kit ($2,291.43 on Amazon as of 2026-10-20 16:19 UTC): 256GB total across 8x32GB modules fills all channels on dual-socket DDR4 boards; main trade-off: will not work in desktops, laptops, or any consumer PC, per A-Tech.

$2291.43

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Buy on Amazon — $2,291.43 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 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 256GB total across 8x32GB modules fills all channels on dual-socket DDR4 boards
  • ✓ 2933MHz PC4-23400 speed grade, above the common 2666 baseline for RDIMM kits
  • ✓ 2Rx4 dual rank x4 organization suits high-capacity server memory controllers
  • ✓ ECC Registered error correction targets uptime on long-running workloads
  • ✓ Limited Lifetime Warranty from A-Tech on every module in the kit

Cons

  • ✗ Will not work in desktops, laptops, or any consumer PC, per A-Tech
  • ✗ Cannot be mixed with ECC Unbuffered, LRDIMM, or non-ECC modules
  • ✗ Compatibility varies by system model, so you must verify before ordering
  • ✗ Third-party module brand rather than an OEM-validated server part

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SpecPicks Verdict

SpecPicks scored A-Tech 256GB Kit (8x32GB) DDR4 2933MHz PC4-23400 ECC RDIMM 2Rx4 Dual… 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 DDR4 Servers & Workstation systems only; (*WILL NOT WORK with Desktop Computers, Laptop Computers, or PCs of any kind*)
  • 256GB RAM Kit (8 x 32GB Modules); DDR4 DIMM 288 Pin; Speeds up to 2933MHz PC4-23400 (PC4-2933Y)
  • ECC Registered RDIMM; 2Rx4 - Dual Rank x4; JEDEC DDR4 standard 1.2V
  • Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
  • Note: This memory is ECC Registered and cannot be mixed 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
Voltage1.2 Volts
RAM Size256 GB
Form FactorRDIMM
Memory Speed2933 MHz
Model NumberAT32G8D4D2933RD4N12V
Item Type NameComputer RAM Memory
Number of Pins288
Mfr Part NumberAT32G8D4D2933RD4N12V
Memory GenerationDDR4
Compatible DevicesServer, Workstation
Data Transfer Rate23400 Megabytes Per Second
Memory Form FactorRDIMM
Additional FeaturesEcc, Registered Memory
Computer Memory Size256 GB
Warranty DescriptionLimited Lifetime Warranty covering defects in materials and workmanship
RAM Memory TechnologyDDR4
Column Address Strobe LatencyCL21

Ready to buy?

A-Tech 256GB Kit (8x32GB) DDR4 2933MHz PC4-23400 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation 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.

Buy on Amazon — $2,291.43

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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A-Tech 256GB Kit (8x32GB) DDR4 2933MHz PC4-23400 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
$2,291.43
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