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A-Tech 64GB (2x32) 2666MHz DDR4 RAM module โ€” A-Tech 64GB Kit (2 x 32GB) for HP ProLiant DL360 Gen10 G10 - DDR4 PC4-21300 2666Mhz ECC Registered RDIMM 2Rx4 - Server Memory Ram Equivalent to OEM 850881-001 840758-091 815100-B21 (AT322600SRV-X2R4)

A-Tech

A-Tech 64GB Kit (2 x 32GB) for HP ProLiant DL360 Gen10 G10 - DDR4 PC4-21300 2666Mhz ECC Registered RDIMM 2Rx4 - Server Memory Ram Equivalent to OEM 850881-001 840758-091 815100-B21 (AT322600SRV-X2R4)

DDR464GB (2x32)2666MHzRDIMMECC
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.

Current price

$512.98$8.02/GB

As of May 30, 2026 ยท Verify on Amazon ยท Price subject to change

$/GB vs DDR4 market avg

22% below avg
This product$8.02/GB
$8.02
DDR4 market avg$10.28/GB
$10.28

Deal score

65/100

At $8.02/GB โ€” 22% below the DDR4 market average.

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Verify Alternative Stores

Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B07NQRLGBW) against alternative marketplaces like Newegg or Crucial before buying.

Availability unconfirmed

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. As an Amazon Associate we earn from qualifying purchases.

At a Glance

Strengths

  • 22% below the overall DDR4 market average $/GB

Limitations

  • No customer reviews available yet on Amazon
  • Limited price history โ€” recently added to tracking, trends not yet available
  • Requires ECC-compatible CPU and motherboard โ€” not supported on most consumer platforms
  • Availability unconfirmed โ€” may be out of stock or delisted

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 (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.

Price History

Updated daily โ€” track price trends over time

Current

$512.98

37d Low

$512.98

37d High

$512.98

37d Avg

$512.98

Speed Ranking

Top 46%

2666MHz ranks in the top 46% of all DDR4 speeds tracked (1,546 modules).

SlowestFastest

About A-Tech

4.6โ˜…

avg rating

283

products tracked

Browse all A-Tech RAM

Z-Score Deviation

B

Fair / Average Price

Deviation: 1.00ฯƒ

This product is currently priced within normal historical margins.

Avg: $512.98StdDev: ยฑ$0.00

Specifications

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
B07NQRLGBW

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

Cheaper Alternatives

Same 64GB DDR4 โ€” lower $/GB than this product

Browse all โ†’

Ranked by lowest $/GB. Same 64GB DDR4 DIMM only. Prices updated daily.

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$9.68/GB
16GB$9.70/GB
32GB$9.02/GB
64GBThis product$8.97/GB
128GB$6.58/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

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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
$121.98

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?

At $8.02/GB, this module is 22% below the overall DDR4 market average $/GB across all capacities. Check the price history chart above to see how the price has moved recently. 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 283 modules tracked with an average customer rating of 4.6โ˜…. This specific module is 22% below the overall DDR4 market average $/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 64GB of RAM enough for gaming in 2026?

64GB is more than enough for gaming in 2026. Most AAA titles use 16โ€“24GB alongside Discord and a browser. 64GB gives you headroom for streaming, recording, and running multiple applications simultaneously.

What is the difference between a single 64GB stick and a 2ร—32GB kit?

This is already a 2ร—32GB dual-channel kit โ€” the correct configuration for maximum performance. Dual-channel mode doubles the memory bandwidth by using both memory channels simultaneously, improving performance in games and applications by 10โ€“30% compared to a single stick of the same total capacity.

Similar DDR4 RAM

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
$439.98

Kingston

Kingston Fury Beast 64GB (2x32GB) 3600MHz DDR4 CL18 Desktop Memory Kit of 2 KF436C18BBK2/64, Black

DDR464GB (2x32)3600MHz
$755.99

Patriot

Patriot Viper Steel DDR4 RAM 64GB (2X32GB) 3600MHz CL18 1.35v UDIMM Desktop Gaming Memory Kit Compatible with XMP - PVS464G360C8K

DDR464GB (2x32)3600MHz
$589.99

TEAMGROUP

TEAMGROUP T-Create Classic 10L DDR4 64GB Kit (2 x 32GB) 3200MHz (PC4 25600) CL22 Desktop Memory Module Ram - TTCCD464G3200HC22DC01

DDR464GB (2x32)3200MHz
$604.99
VK

Expertly Curated by C.R. Vinoth Kumar

Lead Hardware Analyst

C.R. Vinoth Kumar is a senior systems systems engineer and memory hardware architect with over 12 years of experience benchmarking computer components, building performance virtualization servers, and assembling local LLM inference rigs. Every memory module tracked in our database is mathematically checked using custom telemetry to isolate nanosecond CAS latency bounds, price-per-gigabyte market averages, and Ryzen/Intel platform pairings.

$512.98$8.02/GB
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