64GB (2X32GB) DDR4 2666MHZ PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT
Current price
$397.49
$6.21/GB
As of Apr 19, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
39% cheaper
Deal score
95/100
At $6.21/GB — 39% 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
- +39% below the overall DDR4 market average $/GB
- +4.6★ average customer rating (137 reviews)
- +Compatible with 4 CPU platforms
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 64GB (2x32) DDR4 DIMM specifications.
64GB eliminates memory as a bottleneck for AAA titles and multitasking
64GB handles office apps, video calls, and multiple browser tabs comfortably
64GB handles 4K/8K video editing, complex 3D rendering, and large project files
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
Speed Ranking
Top 47%
2666MHz ranks in the top 47% of all DDR4 speeds tracked (1,670 modules).
Specifications
| Memory Type | DDR4 |
| Capacity | 64GB (2x32) |
| Speed | 2666MHz |
| CAS Latency | CL19 |
| Form Factor | DIMM |
| ASIN | B08ZNNNH7H |
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 | $9.89/GB |
| 16GB | $9.75/GB |
| 32GB | $9.30/GB |
| 64GBThis product | $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 DIMM in each tier today.
Current
64GB
$397.49
$6.21/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR4 DIMM modules compared.
Related pages
Frequently Asked Questions
Is the 64GB (2x32) 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 $6.21/GB, this module is 39% 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 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 this brand RAM compare to other brands?
Compare this module against other brands using the RAM comparison tool. Key factors to consider: price per GB, customer ratings, warranty coverage, and compatibility with your specific motherboard.
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