ADATA
XPG Premier 16GB Single DDR4 2666Mhz CL19 PC4-21000 260-Pin SODIMM Memory RAM Single (AD4S266616G19-SGN)
Current price
$273.99$17.12/GBAs of May 30, 2026 · Verify on Amazon · Price subject to change
$/GB vs DDR4 market avg
67% above avgAt $17.12/GB — DDR4 market rate.
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Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B092XPXHB8) against alternative marketplaces like Newegg or Crucial before buying.
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
Limitations
- 67% above the overall DDR4 market average $/GB
- No customer reviews available yet on Amazon
- Limited price history — recently added to tracking, trends not yet available
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 16GB DDR4 SO-DIMM specifications.
Laptop RAM — suitable for gaming laptops with compatible slots
16GB handles office apps, video calls, and multiple browser tabs comfortably
16GB works for 1080p editing with proxy workflows — 4K editing may require 32GB
SO-DIMM laptop RAM is not used in servers — servers require DIMM or RDIMM modules
SO-DIMM form factor — correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Current
$273.99
2d Low
$273.99
2d High
$273.99
2d Avg
$273.99
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (1,546 modules).
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) · guide | DDR4 |
CapacityTotal kit memory size · guide | 16GB |
| Kit Config | ⚠ Single stick — runs in single-channel mode. Buy 2× for dual-channel performance. |
SpeedFrequency in MT/s or MHz · guide | 2666MHz |
CAS LatencyClock cycles response delay · guide | CL19 |
True LatencyAbsolute nanosecond latency | 14.25 ns(High latency)= (19 × 2000) ÷ 2666 |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) · guide | SO-DIMM |
ASIN | B092XPXHB8 |
Spotted a wrong price or spec? Report a data correction · How we verify data
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Cheaper Alternatives
Same 16GB DDR4 — lower $/GB than this product
SK Hynix
SK Hynix MB16GS16H10248-2400-HPXX 16GB DDR4 2400MHz RAM 260 Pin 1.2v SODIMM Laptop Memory67% cheaper/GB
67% cheaper/GB
Ranked by lowest $/GB. Same 16GB DDR4 SO-DIMM only. Prices updated daily.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $9.68/GB |
| 16GBThis product | $9.70/GB |
| 32GB | $9.02/GB |
| 64GB | $8.97/GB |
| 128GB | $6.58/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 SO-DIMM in each tier today.
Current
16GB
$273.99$17.12/GBPrices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR4 SO-DIMM modules compared.
Also available from ADATA
Same brand, different configurations
Related pages
Frequently Asked Questions
Is the ADATA 16GB 2666MHz DDR4 compatible with my motherboard?
This module is compatible with Laptop — DDR4 SO-DIMM. 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 $273.99 ($17.12/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?
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 ADATA RAM compare to other brands?
ADATA has 9 modules tracked with an average customer rating of 4.7★. Browse all ADATA 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 12–16GB 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 2×8GB kit?
A single 16GB stick runs in single-channel mode, using only one memory channel. A 2×8GB kit of the same total capacity runs in dual-channel mode, doubling memory bandwidth and improving real-world performance by 10–30%. For best performance, always buy RAM in matched pairs.
Similar DDR4 RAM
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A-Tech
A-Tech 16GB DDR4 2133 MHz SODIMM PC4-17000 (PC4-2133P) CL15 2Rx8 Non-ECC Laptop RAM Memory Module
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Samsung 16GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, CL 17, 1.2V, ram Memory Module, M471A2K43CB1-CRC
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 we earn from qualifying purchases. Prices are updated daily and may change on Amazon.