Crucial
32GB Kit (16GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K16G4DFRA266
Current price
$222.67
$6.96/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
31% cheaper
Deal score
97/100
At $6.96/GB — 31% 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
- +31% below the overall DDR4 market average $/GB
- +4.7★ rating across 511 Amazon reviews
- +Compatible with 4 CPU platforms
- +Price near its tracked low of $222.67
- +Limited Lifetime Warranty from Crucial
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 32GB DDR4 DIMM specifications.
32GB eliminates memory as a bottleneck for AAA titles and multitasking
32GB handles office apps, video calls, and multiple browser tabs comfortably
32GB handles 4K editing comfortably — 8K workflows or complex 3D may need 64GB
Non-ECC RAM is not recommended for servers or NAS — silent data corruption risk without error correction
This is a desktop DIMM — laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
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
Good time to buy
Price is near its tracked low of $222.67 — in the bottom 20% of its recorded range.
Based on tracked price history for this ASIN. More data points accumulate over time — check back as history grows.
Price Range
Tracked low
$222.67
Current
$222.67
Tracked high
$223.79
✓ Near tracked low
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (1,762 modules).
Specifications
| Memory Type | DDR4 |
| Capacity | 32GB |
| Speed | 2666MHz |
| Form Factor | DIMM |
| ASIN | B08C4VGJL3 |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Platform Pairing Guide
How well 2666MHz performs on each platform — based on memory controller characteristics and manufacturer guidance.
| Platform | Benefit |
|---|---|
| AMD AM4 (Ryzen 1000–5000) | ✓ Good |
| Intel LGA1200 (10th/11th gen) | ★ Optimal |
| Intel LGA1700 DDR4 (12th–14th gen) | ✓ Good |
Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $9.97/GB |
| 16GB | $9.79/GB |
| 32GBThis product | $9.33/GB |
| 64GB | $9.33/GB |
| 128GB | $8.96/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
32GB
$222.67
$6.96/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR4 DIMM modules compared.
Also available from Crucial
Same brand, different configurations
Crucial
Crucial RAM 32GB Kit (16GBx2) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Desktop Memory CT2K16G4DFD832A
Crucial
Crucial RAM CT2K32G4DFD8266 64GB (2x32GB) DDR4 2666 MHz CL19 Desktop Memory Kit
Crucial
Crucial 8GB Single DDR4 2400 MT/s (PC4-19200) DR x8 DIMM 288-Pin Memory - CT8G4DFD824A
Frequently Asked Questions
Is the Crucial 32GB 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 1000–5000 (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 $6.96/GB, this module is 31% below the overall DDR4 market average $/GB across all capacities. Deal score: 97/100. 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 Crucial RAM compare to other brands?
Crucial has 127 modules tracked with an average customer rating of 4.6★. This specific module is 31% 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.
Similar DDR4 RAM
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Crucial RAM 32GB Kit (16GBx2) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Desktop Memory CT2K16G4DFD832A
TEAMGROUP
TEAMGROUP Elite DDR4 32GB Kit (2 x 16GB) 3200MHz (PC4-25600) CL22 Unbuffered Non-ECC 1.2V UDIMM 288 Pin PC Computer Desktop Memory Module Ram Upgrade - TED432G3200C22DC01
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TEAMGROUP Elite DDR4 32GB Single (1 x 32GB) 3200MHz (PC4-25600) CL22 Unbuffered Non-ECC 1.2V UDIMM 288 Pin PC Computer Desktop Memory Module Ram Upgrade - TED432G3200C2201