Skip to main content
A-Tech 16GB RAM for Dell PowerEdge T340 | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 Server Single Memory Upgrade Module (Replacement for SNPVDFYDC/16G, AA335286, VDFYD, 0VDFYD) V2

A-Tech

A-Tech 16GB RAM for Dell PowerEdge T340 | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 Server Single Memory Upgrade Module (Replacement for SNPVDFYDC/16G, AA335286, VDFYD, 0VDFYD) V2

In Stock
DDR416GB2666MHzDIMMECC

Current price

$251.99

$15.75/GB

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

At $15.75/GB โ€” DDR4 market rate.

Buy on Amazon
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 4 CPU platforms

Limitations

  • โˆ’56% above the overall DDR4 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 16GB 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 A-Tech

4.6โ˜…

avg rating

315

products tracked

Browse all A-Tech RAM

Specifications

Memory TypeDDR4
Capacity16GB
Speed2666MHz
Form FactorDIMM
ECCYes
ASINB08SBPDTGB

Compatible Platforms

Intel 11th Gen Core (LGA1200)Intel 12th / 13th / 14th Gen (LGA1700)Intel Core X / Skylake-X (LGA2066 / X299)AMD Ryzen 1000โ€“5000 (AM4)

Always verify with your motherboard's QVL before purchasing.

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$9.97/GB
16GBThis product$9.79/GB
32GB$9.33/GB
64GB$9.33/GB
128GB$8.96/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 16GB (2x8GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Modules

DDR416GB (2x8)2666MHz
$129.98

A-Tech

A-Tech 8GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module

DDR48GB2666MHz

A-Tech

A-Tech 32GB (2x16GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Modules

DDR432GB (2x16)2666MHz
$239.98

Frequently Asked Questions

Is the A-Tech 16GB 2666MHz DDR4 compatible with my motherboard?

This module is compatible with Intel 11th Gen Core (LGA1200), Intel 12th / 13th / 14th Gen (LGA1700), Intel Core X / Skylake-X (LGA2066 / X299), AMD Ryzen 1000โ€“5000 (AM4). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.

Is this DDR4 module a good deal right now?

At $251.99 ($15.75/GB), this module is priced near the DDR4 market average. Check the price history chart above to see if prices have been trending up or down recently.

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 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.

Similar DDR4 RAM

A-Tech

A-Tech 16GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module

DDR416GB2666MHz
$119.99

TEAMGROUP

TEAMGROUP Elite DDR4 16GB Kit (2 x 8GB) 3200MHz (PC4-25600) CL22 Unbuffered Non-ECC 1.2V UDIMM 288 Pin PC Computer Desktop Memory Module Ram Upgrade - TED416G3200C22DC01

DDR416GB3200MHz
$138.99

TEAMGROUP

Elite DDR4 16GB Single (1 x 16GB) 3200MHz (PC4-25600) CL22 Unbuffered Non-ECC 1.2V UDIMM 288 Pin PC Computer Desktop Memory Module Ram Upgrade - TED416G3200C2201

DDR416GB3200MHz
$119.99

A-Tech

A-Tech 16GB DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM 2Rx8 Non-ECC Desktop RAM Memory Module

DDR416GB2400MHz
$115.99