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Current price

$209.99$13.12/GB

As of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change

Good time to buy

Price is near its tracked low of $209.99 โ€” in the bottom 20% of its recorded range. ยท $13.12/GB

Buy on Amazon
In stock on Amazon

As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

A-Tech 16GB 2666MHz DDR4 RAM โ€” A-Tech 16GB Replacement for Hynix HMA82GU7CJR8N-VK - DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 288-Pin 2Rx8 1.2V - Single Server Memory RAM Stick (HMA82GU7CJR8N-VK-ATC) (Red)

A-Tech

In Stock

A-Tech 16GB Replacement for Hynix HMA82GU7CJR8N-VK - DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 288-Pin 2Rx8 1.2V - Single Server Memory RAM Stick (HMA82GU7CJR8N-VK-ATC) (Red)

This A-Tech 16GB 2666MHz DDR4 ECC desktop kit is $209.99 ($13.12/GB), near its tracked low. In stock on Amazon. Fits Intel 11th Gen Core (LGA1200) and Intel 12th / 13th / 14th Gen (LGA1700) and more. Red variant.

DDR416GB2666MHzECC3.6โ˜… (6)

At a Glance

Strengths

  • Compatible with 4 CPU platforms
  • Price near its tracked low of $209.99

Limitations

  • 25% above the 16GB DDR4 peer median $/GB
  • Below-average customer rating (3.6โ˜…)
  • Requires ECC-compatible CPU and motherboard โ€” not supported on most consumer platforms

All points are derived from price data, customer ratings, and product specifications โ€” not editorial opinion. Updated daily.

Cheaper Alternatives

Same 16GB DDR4 โ€” lower $/GB than this product

Browse all โ†’

Ranked by lowest $/GB. Same 16GB DDR4 DIMM only. Prices updated daily.

Specifications

Catalog data as of 28 Aug 2026, 06:40 UTC

Memory TypeDDR generation (DDR4 vs DDR5) ยท guide
DDR4
CapacityTotal kit memory size ยท guide
16GB
Kit Configโš  Single stick โ€” runs in single-channel mode. Buy 2ร— for dual-channel performance.
SpeedFrequency in MT/s or MHz ยท guide
2666MHz
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
DIMM
ECCError-correcting capability ยท guide
Yes
ASIN
B0B6GQNTKW

Spotted a wrong price or spec? Report a data correction ยท How we verify data

Specs & prices refreshed 28 Aug 2026, 06:40 UTC. Verify on Amazon at checkout.

Price History

Updated daily โ€” track price trends over time

Current

$209.99

102d Low

$209.99

102d High

$231.99

102d Avg

$218.19

vs this kit's history

Current price is 0.8ฯƒ below the tracked average of $218.19 - within a normal band for this ASIN.

Frequently Asked Questions

Is the A-Tech 16GB 2666MHz DDR4 compatible with my motherboard?

This module is compatible with Intel 11th Gen Core (LGA1200), Intel 12th / 13th / 14th Gen (LGA1700), Intel Core X / Skylake-X (LGA2066 / X299), AMD Ryzen 1000โ€“5000 (AM4). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.

Is this DDR4 module a good deal right now?

Yes โ€” Price is near its tracked low of $209.99 โ€” in the bottom 20% of its recorded range. At $209.99 ($13.12/GB). Prices are updated daily from Amazon.

What is 2666MHz RAM used for?

This is an ECC (Error-Correcting Code) RAM module designed for servers, workstations, and NAS systems where data integrity is critical. ECC RAM detects and corrects single-bit memory errors automatically. It requires a compatible CPU and motherboard โ€” most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.

How does A-Tech RAM compare to other brands?

A-Tech has 324 modules tracked with an average customer rating of 4.6โ˜…. Browse all A-Tech modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.

What is the difference between a single 16GB stick and a matched multi-stick kit?

A single 16GB stick runs in single-channel mode. A matched 2ร—8GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ€“30%. For best results, buy RAM in matched kits.

Similar DDR4 RAM

A-Tech

A-Tech 16GB DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM 2Rx8 Non-ECC Desktop RAM Memory Module

DDR416GB2400MHz
$100.84

Timetec

Timetec 16GB DDR4 3200MHz (PC4-3200AA) PC4-25600 UDIMM Desktop RAM โ€“ 288-Pin 1.2V CL22 Non-ECC Unbuffered DIMM Memory Module Upgrade

DDR416GB3200MHz

Timetec

Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM โ€“ 288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade

DDR416GB2666MHz

Timetec

Timetec 16GB DDR4 2400MHz (PC4-2400T) PC4-19200 UDIMM Desktop RAM โ€“ 288-Pin 1.2V CL17 Non-ECC Unbuffered DIMM Memory Module Upgrade

DDR416GB2400MHz

Compatibility & buying details

Use cases, platforms, motherboard notes, upgrade math, and analyst notes

Is This RAM Right for You?

Based on 16GB DDR4 ECC DIMM specifications.

Gamingโœ• Not suited

ECC RAM is not supported on gaming platforms (consumer CPUs/boards)

Office / Schoolโœ• Not suited

ECC RAM requires server-grade hardware โ€” not compatible with standard office PCs

Content Creationโœ“ Ideal

ECC RAM protects long renders from silent data corruption โ€” ideal for professional workstations

Server / NASโœ“ Ideal

ECC RAM detects and corrects memory errors โ€” required for data-critical servers and ZFS storage

Laptop Upgradeโœ• Not suited

This is a desktop DIMM โ€” laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.

Verdicts based on capacity, form factor, and ECC specifications โ€” not editorial opinion. Capacity recommendations reflect 2026 software requirements.

A
Chief Analyst Verdict

Enterprise ECC Stability

Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor

This is an Error Correcting Code (ECC) server module designed to prevent silent data corruption in 24/7 server environments (like TrueNAS/ZFS or enterprise workloads). Ensure your motherboard and CPU officially support ECC before purchasing.

Price Range

Tracked low

$209.99

Current

$209.99

Tracked high

$231.99

โœ“ Near tracked low

Speed Ranking

Top 46%

2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).

SlowestFastest

About A-Tech

4.6โ˜…

avg rating

324

products tracked

Browse all A-Tech RAM prices

Compatible Platforms

Intel 11th Gen Core (LGA1200)Intel 12th / 13th / 14th Gen (LGA1700)Intel Core X / Skylake-X (LGA2066 / X299)AMD Ryzen 1000โ€“5000 (AM4)

Always verify with your motherboard's QVL before purchasing.

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$8.10/GB
16GBThis product$7.81/GB
32GB$7.44/GB
64GB$7.81/GB
128GB$7.42/GB

Also available from A-Tech

Same brand, different configurations

A-Tech

A-Tech 8GB (2x4GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Modules

DDR48GB (2x4)2666MHz

A-Tech

A-Tech 64GB (2x32GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules

DDR464GB (2x32)2666MHz
$426.78

A-Tech

A-Tech 8GB (2x4GB) DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM Non-ECC Desktop RAM Memory Modules

DDR48GB (2x4)2400MHz

A-Tech

A-Tech 8GB DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM Non-ECC Desktop RAM Memory Module

DDR48GB2400MHz
VK

Reviewed by C.R. Vinoth Kumar

Editor & Founder

Vinoth is an InfoSec consultant, independent technical blogger, and the developer of RAM Prices, with 12+ years in IT. He reviews buying guides and maintains the site's automated checks for price per GB, specification confidence, availability, and AMD/Intel platform compatibility. See the methodology for the exact ranking rules and limitations.

$209.99$13.12/GB
Buy on Amazon

As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.