Crucial
Crucial 16GB DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT16G4SFRA266
Current price
$124.52
$7.78/GB
As of Apr 19, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
23% cheaper
Deal score
95/100
At $7.78/GB — 23% below the DDR4 market average.
Buy on AmazonProduct 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
- +23% below the overall DDR4 market average $/GB
- +4.8★ average customer rating (64 reviews)
- +Limited Lifetime Warranty from Crucial
Limitations
- −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
Specifications
| Memory Type | DDR4 |
| Capacity | 16GB |
| Form Factor | SO-DIMM |
| ASIN | B08C4VKYFG |
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 | $9.89/GB |
| 16GBThis product | $9.75/GB |
| 32GB | $9.30/GB |
| 64GB | $9.19/GB |
| 128GB | $8.83/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
$124.52
$7.78/GB
Prices 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 Crucial
Same brand, different configurations
Crucial
32GB Single DDR4 2666 MT/S CL19 SODIMM 260-Pin Memory - CT32G4SFD8266
Crucial
Crucial 32GB DDR4 RAM Kit (2x16GB), 3200MHz (PC4-25600) CL22 Laptop Memory, SODIMM 260-Pin, Downclockable to 2933/2666MHz, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K16G4SFRA32A
Frequently Asked Questions
Is the Crucial 16GB 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 $7.78/GB, this module is 23% below the overall DDR4 market average $/GB across all capacities. Deal score: 95/100. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.
What is DDR4 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.
How does Crucial RAM compare to other brands?
Crucial has 142 modules tracked with an average customer rating of 4.6★. This specific module is 23% below the overall DDR4 market average $/GB. Browse all Crucial modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
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