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A-Tech 64GB DDR5 6400MHz PC5-51200 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)

A-Tech

A-Tech 64GB DDR5 6400MHz PC5-51200 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)

In Stock
DDR564GB6400MHzDIMMECC

Current price

$2,194.49

$34.29/GB

As of Apr 14, 2026 ยท Verify on Amazon ยท Price subject to change

At $34.29/GB โ€” DDR5 market rate.

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Verified in stock

Product prices and availability are accurate as of the date of the last daily update and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. Affiliate link.

At a Glance

Strengths

  • +Compatible with 5 CPU platforms

Limitations

  • โˆ’239% above the overall DDR5 market average $/GB
  • โˆ’No customer reviews available yet on Amazon
  • โˆ’Limited price history โ€” recently added to tracking, trends not yet available
  • โˆ’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.

Is This RAM Right for You?

Based on 64GB DDR5 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.

Price History

Updated daily โ€” track price trends over time

Speed Ranking

Top 9%

6400MHz ranks in the top 9% of all DDR5 speeds tracked (1,235 modules).

SlowestFastest

About A-Tech

4.6โ˜…

avg rating

315

products tracked

Browse all A-Tech RAM

Specifications

Memory TypeDDR5
Capacity64GB
Speed6400MHz
Form FactorDIMM
ECCYes
Voltage1.1V
ASINB0DYR9JXRH

Compatible Platforms

Intel 12th / 13th / 14th Gen (LGA1700)Intel Core Ultra 200S (LGA1851 / Arrow Lake)AMD Ryzen 7000 / 8000 / 9000 (AM5)AMD Threadripper 7000 (TRX50)AMD Threadripper PRO 7000 (sWRX9)

Always verify with your motherboard's QVL before purchasing.

DDR5 Price by Capacity

Average $/GB across all DDR5 modules in the database

CapacityAvg $/GB
8GB$18.20/GB
16GB$18.92/GB
32GB$18.12/GB
64GBThis product$20.45/GB
128GB$26.14/GB

Also available from A-Tech

Same brand, different configurations

A-Tech

A-Tech 32GB DDR5 4800MHz PC5-38400 CL40 UDIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module

DDR532GB4800MHz
$419.99

A-Tech

A-Tech 8GB DDR5 4800MHz PC5-38400 CL40 UDIMM 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module

DDR58GB4800MHz
$145.19

A-Tech

A-Tech 16GB DDR5 4800MHz PC5-38400 CL40 UDIMM 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module

DDR516GB4800MHz
$220.49

A-Tech

A-Tech 16GB DDR5 5600MHz PC5-44800 CL46 UDIMM 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module

DDR516GB5600MHz
$241.49

Frequently Asked Questions

Is the A-Tech 64GB 6400MHz DDR5 compatible with my motherboard?

This module is compatible with Intel 12th / 13th / 14th Gen (LGA1700), Intel Core Ultra 200S (LGA1851 / Arrow Lake), AMD Ryzen 7000 / 8000 / 9000 (AM5), AMD Threadripper 7000 (TRX50) and 1 more platforms. Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.

Is this DDR5 module a good deal right now?

At $2,194.49 ($34.29/GB), this module is priced near the DDR5 market average. Check the price history chart above to see if prices have been trending up or down recently.

What is 6400MHz 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 315 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.

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