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A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual Rank 1.5V Registered DIMM 240-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)
A-Tech

A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual Rank 1.5V Registered DIMM 240-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)

Bottom line: The A-Tech 64GB 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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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

  • ✓ ECC Registered RDIMM; 2Rx4 (Dual Rank x4); JEDEC DDR3 standard 1.5V
  • ✓ 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

SpecPicks Verdict

SpecPicks scored A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R 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 DDR3 SERVERS only; *WILL NOT WORK WITH Desktop Computers, Laptop Computers, or PCs of any kind*
  • 64 GB Kit, (4 x 16GB Modules); DDR3 DIMM 240-Pin; Speeds up to 1866/1867-MHz, PC3-14900/PC3-14900R
  • ECC Registered RDIMM; 2Rx4 (Dual Rank x4); JEDEC DDR3 standard 1.5V
  • Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity
  • 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)
  • All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance

Full Specifications

BrandA-Tech
Voltage1.5 Volts
RAM Size64 GB
Model NameEnterprise Series
Unit Count4.0 Count
Form FactorDIMM
Memory Speed1866 MHz
Model NumberAT16G4D3D1866RD4N15V
Item Type Namecomputer-internal-memory
Number of Pins240
Mfr Part NumberAT16G4D3D1866RD4N15V
Memory GenerationDDR3
Compatible DevicesServer
Data Transfer Rate14900 Megabytes Per Second
Memory Form FactorRDIMM
Additional FeaturesEcc
Computer Memory Size64 GB
Warranty DescriptionLimited Lifetime Warranty Covering Defects In Materials And Workmanship
RAM Memory TechnologyDDR3
Column Address Strobe Latency13

Ready to buy?

A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual Rank 1.5V Registered DIMM 240-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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