A-Tech

A-Tech 16GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)

Name: A-Tech 16GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech
Brand: A-Tech
SKU: B09LJX8XP8

Bottom line: The A-Tech 16GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC 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.

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

🛒 See live eBay price Also on Amazon — Check price → Compare to similar memory & ram

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

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. About the author →

Pros & Cons

Pros

✓ Single 16GB RAM Module; DDR4 DIMM 288 Pin; Speeds up to 2133MHz PC4-17000 (PC4-2133P)

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

SpecPicks Verdict

SpecPicks scored A-Tech 16GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V 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.

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*)
Single 16GB RAM Module; DDR4 DIMM 288 Pin; Speeds up to 2133MHz PC4-17000 (PC4-2133P)
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

Brand	A-Tech
Voltage	1.2 volts
RAM Size	16 GB
Model Name	Enterprise Series
Unit Count	1 Count
Form Factor	RDIMM
Memory Speed	2133 MHz
Model Number	AT16G1D4D2133RD4N12V
Item Type Name	Computer RAM Memory
Number of Pins	288
Mfr Part Number	AT16G1D4D2133RD4N12V
Number of Items	1
Number of Packs	1
Memory Generation	DDR4
Compatible Devices	Server, Workstation
Data Transfer Rate	17000 megabytes_per_second
Memory Form Factor	RDIMM
Additional Features	Ecc, Registered Memory
Computer Memory Size	16 GB
Warranty Description	Limited Lifetime Warranty covering defects in materials and workmanship

Ready to buy?

A-Tech 16GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series) is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings → Check Amazon listing →