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NEMIX RAM 256GB (4X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM KIT Load Reduce Server Memory Compatible with Dell PowerEdge T440 Tower

Nemix

NEMIX RAM 256GB (4X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM KIT Load Reduce Server Memory Compatible with Dell PowerEdge T440 Tower

In Stock
DDR4256GB (4x64)2666MHzCL19RDIMMECC

Current price

$1,756.99

$6.86/GB

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

vs avg $/GB

32% cheaper

Deal score

65/100

At $6.86/GB โ€” 32% below the DDR4 market average.

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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

  • +32% below the overall DDR4 market average $/GB

Limitations

  • 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 256GB (4x64) 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

Speed Ranking

Top 46%

2666MHz ranks in the top 46% of all DDR4 speeds tracked (1,762 modules).

SlowestFastest

About Nemix

4.6โ˜…

avg rating

69

products tracked

Browse all Nemix RAM

Specifications

Memory TypeDDR4
Capacity256GB (4x64)
Speed2666MHz
CAS LatencyCL19
Form FactorRDIMM
ECCYes
ASINB0BWL49YT9

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$9.97/GB
16GB$9.79/GB
32GB$9.33/GB
64GB$9.33/GB
128GB$8.96/GB

Also available from Nemix

Same brand, different configurations

Nemix

NEMIX RAM 256GB (8X32GB) DDR4 2933MHZ PC4-23400 2Rx4 1.2V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

DDR4256GB (8x32)2933MHz
$2,776.49

Nemix

NEMIX RAM 16GB (1X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM

DDR416GB (1x16)3200MHz
$184.99

Nemix

NEMIX RAM 256GB (8X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

DDR4256GB (8x32)3200MHz
$3,291.89

Nemix

NEMIX RAM 32GB (2X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 288-PIN ECC UDIMM Unbuffered Memory KIT

DDR432GB (2x16)2400MHz
$338.99

Frequently Asked Questions

Is the Nemix 256GB (4x64) 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 $6.86/GB, this module is 32% 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 Nemix RAM compare to other brands?

Nemix has 69 modules tracked with an average customer rating of 4.6โ˜…. This specific module is 32% below the overall DDR4 market average $/GB. Browse all Nemix modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.

Similar DDR4 RAM

Nemix

NEMIX RAM 256GB (4X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple Mac Pro 2019 7,1

DDR4256GB (4x64)2933MHz
$2,196.99

NEMIX RAM

NEMIX RAM 256GB (4X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

DDR4256GB (4x64)2666MHz
$1,756.99

NEMIX RAM

NEMIX RAM 256GB (4X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

DDR4256GB (4x64)2666MHz
$1,876.89

NEMIX RAM

NEMIX RAM 256GB (4X64GB) DDR4 2133MHZ PC4-17000 4Rx4 1.2V 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

DDR4256GB (4x64)2133MHz
$1,676.99