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Current price

$2480.17$4.84/GB

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

$4.84/GB

Track vs similar 512GB (8x64) DDR4 kits

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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 512GB (8x64) 2666MHz DDR4 RAM โ€” A-Tech 512GB Kit (8x64GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series) (Red)

A-Tech

In Stock

A-Tech 512GB Kit (8x64GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series) (Red)

This A-Tech 512GB (8x64) 2666MHz DDR4 ECC desktop kit is $2480.17 ($4.84/GB). In stock on Amazon. Red variant.

DDR4512GB (8x64)2666MHzECC4.4โ˜… (20)

At a Glance

Limitations

  • Limited review data โ€” only 20 Amazon reviews
  • Price near its tracked high of $2,480.17
  • 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 $2,480.17 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
512GB (8x64)
Kit Configโœ“ 8ร— 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
VoltageOperating voltage level
1.2V
ASIN
B0BPN4MSQC

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

$2,480.17

68d Low

$1,595.00

68d High

$2,480.17

68d Avg

$2,052.30

vs this kit's history

Current price is 1.4ฯƒ above the tracked average of $2,052.30 - higher than typical for this ASIN.

Frequently Asked Questions

Is the A-Tech 512GB (8x64) 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 $2,480.17 โ€” in the top 25% of its recorded range. Prices may fall. At $2,480.17 ($4.84/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˜…. 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 8ร—64GB kit better than a single stick?

This is already a 8ร—64GB kit (quad-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

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

A-Tech

A-Tech 64GB (4x16GB) DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules

DDR464GB (4x16)2400MHz
$403.37

A-Tech

A-Tech 32GB (2x16GB) DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules

DDR432GB (2x16)2133MHz
$201.68

A-Tech

A-Tech 64GB (4x16GB) DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules

DDR464GB (4x16)2133MHz
$403.37

Compatibility & buying details

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

Is This RAM Right for You?

Based on 512GB (8x64) 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

$1595.00

Current

$2480.17

Tracked high

$2480.17

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
64GB$7.81/GB
128GB$7.42/GB
512GBThis product$9.45/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.

$2480.17$4.84/GB
Check 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.