Skip to main content

Current price

$431.64$6.74/GB

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

27% below peer $/GB

$6.74/GB vs similar 64GB (2x32) DDR4 kits

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 64GB (2x32) 2666MHz DDR4 RAM โ€” A-Tech 64GB (2x32GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade Kit (Red)

A-Tech

In Stock

A-Tech 64GB (2x32GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade Kit (Red)

This A-Tech 64GB (2x32) 2666MHz DDR4 ECC desktop kit is $431.64 ($6.74/GB), 27% below similar 64GB (2x32) DDR4 peer $/GB. In stock on Amazon. Red variant.

DDR464GB (2x32)2666MHzECC

At a Glance

Strengths

  • 27% below the 64GB (2x32) DDR4 peer median $/GB

Limitations

  • No customer reviews available yet on Amazon
  • Price near its tracked high of $431.64
  • 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.

Consider waiting

Price is near its tracked high of $431.64 โ€” in the top 25% of its recorded range. Prices may fall.

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
64GB (2x32)
Kit Configโœ“ 2ร— kit โ€” dual-channel ready
SpeedFrequency in MT/s or MHz ยท guide
2666MHz
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
RDIMM
ECCError-correcting capability ยท guide
Yes
ASIN
B083PP5QCM

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

$431.64

60d Low

$324.30

60d High

$431.64

60d Avg

$360.04

Deal score

65/100

vs this kit's history

Current price is 2.5ฯƒ above the tracked average of $360.04 - higher than typical for this ASIN.

Frequently Asked Questions

Is the A-Tech 64GB (2x32) 2666MHz DDR4 compatible with my motherboard?

Compatibility depends on your motherboard's supported memory type (DDR4), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.

Is this DDR4 module a good deal right now?

Price is near its tracked high of $431.64 โ€” in the top 25% of its recorded range. Prices may fall. At $431.64 ($6.74/GB), consider waiting for a dip or compare cheaper alternatives below. 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˜…. This specific module is 27% below the 64GB (2x32) DDR4 peer median $/GB. Browse all A-Tech modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.

Is a 2ร—32GB kit better than a single stick?

This is already a 2ร—32GB kit (dual-channel capable) โ€” the correct configuration for maximum bandwidth on supported platforms. Matched multi-stick kits use multiple memory channels simultaneously, improving real-world performance versus a single stick of the same total capacity.

Similar DDR4 RAM

Patriot

Patriot Viper Steel RGB DDR4 RAM 64GB (2X32GB) 3200MHz CL18 RGB Memory

DDR464GB (2x32)3200MHz
$569.99

NVTEK

NVTEK 64GB (2X32GB) DDR4 2666MHz PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT

DDR464GB (2x32)2666MHz
$397.49

G.Skill

G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 64GB (2x32GB) 3600MT/s CL16-22-22-42 1.45V Intel AMD Desktop Computer Memory U-DIMM (F4-3600C16D-64GTZN)

DDR464GB (2x32)3600MHz
$249.99

Crucial

Crucial 64GB DDR4 RAM Kit (2x32GB), 3200MHz (PC4-25600) CL22 Desktop Memory, UDIMM 288-Pin, Downclockable to 2933/2666MHz, Compatible with Intel and AMD Ryzen - CT2K32G4DFD832A

DDR464GB (2x32)3200MHz
$490.00

Compatibility & buying details

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

Is This RAM Right for You?

Based on 64GB (2x32) 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.

See cheaper matching variant โ†’

Price Range

Tracked low

$324.30

Current

$431.64

Tracked high

$431.64

Near tracked high

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

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

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

A-Tech

A-Tech 16GB (2x8GB) DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM Non-ECC Desktop RAM Memory Modules

DDR416GB (2x8)2400MHz
$109.03
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.

$431.64$6.74/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.