Current price
$106.06$6.63/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
16% below peer $/GB
$6.63/GB vs similar 16GB DDR4 kits
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
A-Tech 16GB RAM Replacement for Kingston HyperX HX426C16FB4/16 | DDR4 2666MHz PC4-21300 UDIMM Non-ECC 1Rx8 1.2V 288-Pin Memory Module (Replacement For)
This A-Tech 16GB 2666MHz DDR4 desktop kit is $106.06 ($6.63/GB), 16% below similar 16GB DDR4 peer $/GB. In stock on Amazon. Fits Intel 11th Gen Core (LGA1200) and Intel 12th / 13th / 14th Gen (LGA1700) and more. Replacement For variant.
At a Glance
Strengths
- 16% below the 16GB DDR4 peer median $/GB
- Compatible with 4 CPU platforms
Limitations
- No customer reviews available yet on Amazon
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Cheaper Alternatives
Same 16GB DDR4 โ lower $/GB than this product
Simmtec Incorporated Memory is Our Business
Simmtec RAM 16GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module26% cheaper/GB
25% cheaper/GB
Rasalas
RASALAS 16GB DDR4 2133MHz PC4-17000 Non-ECC Unbuffered 1.2V CL15 1Rx8 Single Rank 288 Pin UDIMM Desktop Memory RAM Module Upgrade24% cheaper/GB
Ranked by lowest $/GB. Same 16GB DDR4 DIMM only. Prices updated daily.
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 | 16GB |
| Kit Config | โ Single stick โ runs in single-channel mode. Buy 2ร for dual-channel performance. |
SpeedFrequency in MT/s or MHz ยท guide | 2666MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | DIMM |
VoltageOperating voltage level | 1.2V |
ASIN | B09CQDX6ZC |
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
$106.06
103d Low
$101.01
103d High
$121.99
103d Avg
$110.84
Deal score
65/100
vs this kit's history
Current price is 0.5ฯ below the tracked average of $110.84 - within a normal band for this ASIN.
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 1000โ5000 (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 $6.63/GB, this module is 16% below the 16GB DDR4 peer median $/GB. Check the price history chart for recent movement. Prices are updated daily from Amazon.
What is 2666MHz RAM used for?
DDR4 RAM is used in Intel LGA1200/LGA1700 and AMD AM4 (Ryzen 1000-5000) systems. It offers excellent value for existing platforms. 2666MHz is a standard DDR4 speed tier.
How does A-Tech RAM compare to other brands?
A-Tech has 324 modules tracked with an average customer rating of 4.6โ . This specific module is 16% below the 16GB DDR4 peer median $/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 16GB of RAM enough for gaming in 2026?
16GB is the minimum recommended for gaming in 2026. Most AAA titles use 12โ16GB alongside Discord and a browser. 32GB is the sweet spot if you also stream, record, or run VMs.
What is the difference between a single 16GB stick and a matched multi-stick kit?
A single 16GB stick runs in single-channel mode. A matched 2ร8GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ30%. For best results, buy RAM in matched kits.
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
Timetec
Timetec 16GB DDR4 3200MHz (PC4-3200AA) PC4-25600 UDIMM Desktop RAM โ 288-Pin 1.2V CL22 Non-ECC Unbuffered DIMM Memory Module Upgrade
Timetec
Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM โ 288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Is This RAM Right for You?
Based on 16GB DDR4 DIMM specifications.
16GB is the minimum for gaming in 2026 โ handles most titles with background apps
16GB handles office apps, video calls, and multiple browser tabs comfortably
16GB works for 1080p editing with proxy workflows โ 4K editing may require 32GB
Non-ECC RAM is not recommended for servers or NAS โ silent data corruption risk without error correction
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 Range
Tracked low
$101.01Current
$106.06Tracked high
$121.99โ Near tracked low
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Platform Pairing Guide
How well 2666MHz performs on each platform โ based on memory controller characteristics and manufacturer guidance.
| Platform | Benefit |
|---|---|
| AMD AM4 (Ryzen 1000โ5000) | โ Good |
| Intel LGA1200 (10th/11th gen) | โ Optimal |
| Intel LGA1700 DDR4 (12thโ14th gen) | โ Good |
Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.
Motherboard Compatibility
Most popular DDR4 boards per platform
ASUS TUF Gaming B550-Plus WiFi II / MSI MAG B550 Tomahawk
B550 is the top AM4 chipset. DDR4-3600 CL16 is the sweet spot.
Gigabyte B760M D2H DDR4 / ASUS Prime B760M-A D4
B760 DDR4 boards support 12thโ14th Gen Intel with DDR4.
ASUS Prime B560M-A / MSI MAG B560 Tomahawk WiFi
DDR4-3200 is the official LGA1200 maximum โ ideal match.
Always verify with your board's QVL before purchasing.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $8.10/GB |
| 16GBThis product | $7.81/GB |
| 32GB | $7.44/GB |
| 64GB | $7.81/GB |
| 128GB | $7.42/GB |
Upgrade Cost Calculator
How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available DDR4 DIMM in each tier today.
Current
16GB
$106.06$6.63/GBPrices are the lowest available in each tier from our daily database โ verify on Amazon before purchasing. Only DDR4 DIMM modules compared.
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
A-Tech
A-Tech 64GB (2x32GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules
A-Tech
A-Tech 8GB (2x4GB) DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM Non-ECC Desktop RAM Memory Modules
Related pages
Amazon prices on this page. ASIN B09CQDX6ZC may also appear on Newegg - we do not show competitor prices.
Reviewed by C.R. Vinoth Kumar
Editor & FounderVinoth 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.
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.