A-Tech
A-Tech 8GB (2x4GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Modules
Available Styles / Variations:
Limited Entry-Level Capacity
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
8GB of total memory is extremely marginal in 2026. Windows 11 uses 3-4GB at idle, leaving very little headroom for multitasking or gaming. We highly recommend upgrading to at least 16GB, or 32GB to prevent page-file stutters.
Current price
$77.20$9.65/GBAs of Jul 14, 2026 ยท Verify on Amazon ยท Price subject to change
$/GB vs DDR4 market avg
23% below avgDeal score
98/100
At $9.65/GB โ 23% below the DDR4 market average.
Good time to buy
Price is near its tracked low of $77.20 โ in the bottom 20% of its recorded range.
Also sold elsewhere
Prices on this page are Amazon.com prices from our Creators API refresh (as of the last update). You can look up this kit (ASIN: B07WJY76MV) on other retailers such as Newegg or Crucial โ we do not display their prices here. Always verify the checkout price on Amazon before purchasing.
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 I earn from qualifying purchases.
At a Glance
Strengths
- 23% below the overall DDR4 market average $/GB
- 4.7โ rating across 979 Amazon reviews
- Compatible with 4 CPU platforms
- Price near its tracked low of $77.20
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 8GB (2x4) DDR4 DIMM specifications.
8GB is below the 16GB minimum recommended for gaming in 2026
8GB handles basic office tasks โ may slow with many tabs or large spreadsheets
8GB is insufficient for video editing or 3D rendering workloads
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 History
Updated daily โ track price trends over time
Current
$77.20
57d Low
$77.20
57d High
$203.08
57d Avg
$103.09
Price Range
Tracked low
$77.20Current
$77.20Tracked high
$203.08โ Near tracked low
Speed Ranking
Top 47%
2666MHz ranks in the top 47% of all DDR4 speeds tracked (1,856 modules).
Z-Score Deviation
Fair / Average Price
Deviation: -0.53ฯ
This product is currently priced within normal historical margins.
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR4 |
CapacityTotal kit memory size ยท guide | 8GB (2x4) |
| Kit Config | โ 2ร kit โ dual-channel ready |
SpeedFrequency in MT/s or MHz ยท guide | 2666MHz |
CAS LatencyClock cycles response delay ยท guide | CL19 |
True LatencyAbsolute nanosecond latency | 14.25 ns(High latency)= (19 ร 2000) รท 2666 |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | DIMM |
ASIN | B07WJY76MV |
Spotted a wrong price or spec? Report a data correction ยท How we verify data
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.
Cheaper Alternatives
Same 8GB DDR4 โ lower $/GB than this product
65% cheaper/GB
WorldBrand
Hynix HMA41GR7AFR8N-TF 8 GB RAM Module - DDR4 SDRAM - 288-Pin DIMM - 2133 MHz Consumer Electronics44% cheaper/GB
37% cheaper/GB
Ranked by lowest $/GB. Same 8GB DDR4 DIMM only. Prices updated daily.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GBThis product | $9.20/GB |
| 16GB | $8.86/GB |
| 32GB | $8.31/GB |
| 64GB | $8.38/GB |
| 128GB | $7.66/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
8GB
$77.20$9.65/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 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
A-Tech
A-Tech 8GB DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM Non-ECC Desktop RAM Memory Module
Related pages
Frequently Asked Questions
Is the A-Tech 8GB (2x4) 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 $9.65/GB, this module is 23% below the overall DDR4 market average $/GB across all capacities. Deal score: 98/100. 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?
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 23% 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 16GB of RAM enough for gaming in 2026?
8GB is below the 16GB minimum recommended for gaming in 2026. Most modern AAA titles require 12โ16GB. Consider upgrading to at least 16GB for a smooth gaming experience.
What is the difference between a single 8GB stick and a 2ร4GB kit?
This is already a 2ร4GB 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 10โ30% compared to a single stick of the same total capacity.
Similar DDR4 RAM
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A-Tech 8GB (2x4GB) DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Modules
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Samsung 8GB (2x4GB) DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 UDIMM 1Rx16 Single Rank 1.2V Non-ECC DIMM 288-Pin Desktop PC RAM Memory
Expertly Curated by C.R. Vinoth Kumar
Lead Hardware AnalystC.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.
As an Amazon Associate I earn from qualifying purchases. Prices updated daily. 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.