Current price
$85.09$5.32/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
22% below peer $/GB
$5.32/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.
Samsung
16GB DDR4 2666MHz (PC4-21300) RAM Memory Module for Laptop Computers (260 Pin SODIMM, 1.2V) M471A2K43DB1-CTD (21300 For)
This Samsung 16GB 2666MHz DDR4 SO-DIMM laptop kit is $85.09 ($5.32/GB), 22% below similar 16GB DDR4 peer $/GB. In stock on Amazon. Fits Laptop โ DDR4 SO-DIMM. 21300 For variant.
Variations
At a Glance
Strengths
- 22% below the 16GB DDR4 peer median $/GB
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 SODIMM PC4-21300 (PC4-2666V) CL19 1.2V Non-ECC SO-DIMM 260 PinLaptop, Notebook & AIO Computer Memory Upgrade Module13% cheaper/GB
Ranked by lowest $/GB. Same 16GB DDR4 SO-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) ยท guide | SO-DIMM |
ASIN | B08DFNNVL2 |
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
$85.09
64d Low
$70.26
64d High
$105.83
64d Avg
$89.84
Deal score
65/100
vs this kit's history
Current price is 0.5ฯ below the tracked average of $89.84 - within a normal band for this ASIN.
Frequently Asked Questions
Is the Samsung 16GB 2666MHz DDR4 compatible with my motherboard?
This module is compatible with Laptop โ 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 $5.32/GB, this module is 22% 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 Samsung RAM compare to other brands?
Samsung has 140 modules tracked with an average customer rating of 4.7โ . This specific module is 22% below the 16GB DDR4 peer median $/GB. Browse all Samsung 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
Crucial
Crucial 16GB DDR4 RAM, 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory, SODIMM 260-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT16G4SFRA32A
Gigastone
ใDDR4 RAM Laptop Onlyใ GIGASTONE 16GB DDR4 2666MHz (2400MHz or 2133MHz) PC4-21300 (PC4-19200/17000) CL19 1.2V SODIMM 260 Pin Unbuffered Non ECC High Performance Notebook Memory Upgrade
Kingston
Kingston Technology (KVR24S17D8/16) ValueRAM 16GB 2400Mhz DDR4 Non-ECC CL17 SODIMM 2Rx8
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 SO-DIMM specifications.
Laptop RAM โ 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 โ 4K editing may require 32GB
SO-DIMM laptop RAM is not used in servers โ servers require DIMM or RDIMM modules
SO-DIMM form factor โ correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
Verdicts based on capacity, form factor, and ECC specifications โ not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price Range
Tracked low
$70.26Current
$85.09Tracked high
$105.83Mid-range
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.
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 SO-DIMM in each tier today.
Current
16GB
$85.09$5.32/GBPrices are the lowest available in each tier from our daily database โ verify on Amazon before purchasing. Only DDR4 SO-DIMM modules compared.
Also available from Samsung
Same brand, different configurations
Samsung
SAMSUNG M471A1K43CB1-CRC 8GB DDR4 2400MH Memory Module (8 GB, 1 x 8 GB, DDR4, 2400 MHz, 260-Pin SO-DIMM)
Samsung
Samsung 8GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, 1Rx8 Single Rank CL 17, 1.2V, RAM Memory Module
Samsung
Samsung 8GB DDR4 3200MHz SODIMM PC4-25600 CL22 1Rx8 1.2V 260-Pin SO-DIMM Laptop Notebook RAM Memory Module M471A1K43DB1-CWE
Related pages
Amazon prices on this page. ASIN B08DFNNVL2 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.