Current price
$369.99$5.78/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
Good time to buy
Price is near its tracked low of $369.99 โ in the bottom 20% of its recorded range. ยท 38% below 64GB (2x32) DDR4 peer $/GB
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.

Crucial
Crucial Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x CT32G4RFD4266), Dual Ranked Registered ECC Memory
This Crucial 64GB (2x32) 2666MHz DDR4 ECC desktop kit is $369.99 ($5.78/GB), near its tracked low. In stock on Amazon.
At a Glance
Strengths
- 38% below the 64GB (2x32) DDR4 peer median $/GB
- Price near its tracked low of $369.99
- Limited Lifetime Warranty from Crucial
Limitations
- No customer reviews available yet on Amazon
- Requires ECC-compatible CPU and motherboard โ not supported on most consumer platforms
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Cheaper Alternatives
Same 64GB DDR4 โ lower $/GB than this product
34% cheaper/GB
Samsung
Samsung 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40BM1-CRC30% cheaper/GB
Ranked by lowest $/GB. Same 64GB DDR4 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 | 64GB (2x32) |
| Kit Config | โ 2ร kit โ dual-channel ready |
SpeedFrequency in MT/s or MHz ยท guide | 2666MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | RDIMM |
ECCError-correcting capability ยท guide | Yes |
ASIN | B07X4WW2PJ |
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
$369.99
96d Low
$369.99
96d High
$499.00
96d Avg
$423.14
Deal score
65/100
vs this kit's history
Current price is 1.2ฯ below the tracked average of $423.14 - historically favorable vs its own chart.
Frequently Asked Questions
Is the Crucial 64GB (2x32) 2666MHz DDR4 compatible with my motherboard?
Compatibility depends on your motherboard's supported memory type (DDR4), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.
Is this DDR4 module a good deal right now?
Yes โ Price is near its tracked low of $369.99 โ in the bottom 20% of its recorded range. At $369.99 ($5.78/GB), about 38% below the 64GB (2x32) DDR4 peer median. Prices are updated daily from Amazon.
What is 2666MHz RAM used for?
This is an ECC (Error-Correcting Code) RAM module designed for servers, workstations, and NAS systems where data integrity is critical. ECC RAM detects and corrects single-bit memory errors automatically. It requires a compatible CPU and motherboard โ most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.
How does Crucial RAM compare to other brands?
Crucial has 124 modules tracked with an average customer rating of 4.6โ . This specific module is 38% below the 64GB (2x32) DDR4 peer median $/GB. Browse all Crucial modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is a 2ร32GB kit better than a single stick?
This is already a 2ร32GB kit (dual-channel capable) โ the correct configuration for maximum bandwidth on supported platforms. Matched multi-stick kits use multiple memory channels simultaneously, improving real-world performance versus a single stick of the same total capacity.
Similar DDR4 RAM
Patriot
Patriot Viper Steel RGB DDR4 RAM 64GB (2X32GB) 3200MHz CL18 RGB Memory
NVTEK
NVTEK 64GB (2X32GB) DDR4 2666MHz PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT
G.Skill
G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 64GB (2x32GB) 3600MT/s CL16-22-22-42 1.45V Intel AMD Desktop Computer Memory U-DIMM (F4-3600C16D-64GTZN)
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 64GB (2x32) DDR4 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware โ not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption โ ideal for professional workstations
ECC RAM detects and corrects memory errors โ required for data-critical servers and ZFS storage
This is a desktop DIMM โ laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications โ not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
This is an Error Correcting Code (ECC) server module designed to prevent silent data corruption in 24/7 server environments (like TrueNAS/ZFS or enterprise workloads). Ensure your motherboard and CPU officially support ECC before purchasing.
Price Range
Tracked low
$369.99Current
$369.99Tracked high
$499.00โ Near tracked low
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
About Crucial
4.6โ
avg rating
124
products tracked
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $8.10/GB |
| 16GB | $7.81/GB |
| 32GB | $7.44/GB |
| 64GBThis product | $7.81/GB |
| 128GB | $7.42/GB |
Also available from Crucial
Same brand, different configurations
Crucial
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K8G4DFRA266
Related pages
Amazon prices on this page. ASIN B07X4WW2PJ 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.