Crucial

Crucial Pro DDR5 RAM 64GB Kit (2x32GB) 6400MHz CL40

Name: Crucial Pro DDR5 RAM 64GB Kit (2x32GB) 6400MHz CL40, Overclocking Desktop Gaming Memory, Intel XMP 3.0 & AMD Expo Compatible – Black CP2K32G64C40U5B
Brand: Crucial
SKU: B0DSR14511

Status: Crucial Pro DDR5 RAM 64GB Kit (64GB (2x32GB) DDR5 desktop DIMM kit): Unavailable on Amazon as of 2026-10-06 22:22 UTC. Closest in-stock match (same 64GB (2x32GB) DDR5 desktop DIMM): TEAMGROUP T-Force Delta RGB DDR5 Ram 64GB, $983.99 on Amazon as of 2026-10-06 10:15 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $983.99 🛒 Search eBay for this model

Bottom line: The Crucial Pro DDR5 RAM 64GB Kit 6400MHz CL40: 64GB (2x32GB) capacity handles heavy multitasking, large games and creator workloads; main trade-off: CL40 timings are looser than tuned enthusiast kits at 6400MHz.

Unavailable on Amazon as of 2026-10-06 22:22 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 64GB (2x32GB) DDR5 desktop DIMM: TEAMGROUP T-Force Delta RGB DDR5 Ram 64GB — $983.99 on Amazon as of 2026-10-06 10:15 UTC (price may vary).

View Current Price — $983.99

Same 64GB (2x32GB) DDR5 desktop DIMM: KLEVV CRAS V RGB DDR5 64GB — $1049.99 on Amazon as of 2026-10-06 22:21 UTC (price may vary).

View Current Price — $1049.99

Same 64GB (2x32GB) DDR5 desktop DIMM: Crucial Pro 64GB DDR5 RAM Kit — $1099.99 on Amazon as of 2026-10-07 04:12 UTC (price may vary).

View Current Price — $1099.99

Original listing (currently unavailable) → Compare to similar memory (ram)

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 64GB (2x32GB) capacity handles heavy multitasking, large games and creator workloads
✓ 6400MHz CL40 sweet-spot speed for stable, low-latency overclocking
✓ Dual Intel XMP 3.0 and AMD EXPO profiles on one module
✓ Black aluminum origami heat spreader aids thermal dissipation
✓ Micron-built with a limited lifetime warranty

Cons

✗ CL40 timings are looser than tuned enthusiast kits at 6400MHz
✗ 6400MHz tops out below high-end 8000MHz+ DDR5 kits
✗ Needs motherboard check (Intel Core Ultra 2/13-14th, Ryzen 9000+)

Manufacturer description

Push performance to the next level with the blazing speed and massive bandwidth of Crucial DDR5 Pro OC Gaming Memory. With support for next-gen multi-core CPUs and the “sweet spot” speed of up to 6,400MHz, our gaming memory harnesses the power of low latency so you can beat the clock and focus on outplaying your opponent instead of worrying about performance bottlenecks. This powerful, flexible memory supports next-gen multi-core CPUs and stable overclocking with Intel XMP 3.0 and AMD EXPO. Available in black or white in 16GB or 32GB density modules with a unique, origami-inspired aluminum…

SpecPicks Verdict

SpecPicks scored Crucial Pro DDR5 RAM 64GB Kit 6400MHz CL40 using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. Crucial's memory (ram) lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

COOL BLACK LOOK & FEEL: Our DDR5 Pro Overclocking Memory features a black, aluminum heat spreader with a unique, origami-based design that is both cool to the touch and an aesthetic win for any rig
ACCELERATED PERFORMANCE: 6400MHz at CL40 for stable overclocking performance and 25% lower latency for higher frame rates per second. Every millisecond gained in fast-paced gameplay counts
INTEL & AMD COMPATIBLE: Compatible with Intel Core Ultra series 2 & 13-14th Gen desktop CPUs and above. Also, compatible with AMD Ryzen 9000 Series desktop CPUs and above (Verify compatibility with motherboard manufacturer)
FLEXIBILITY: By supporting both Intel XMP 3.0 and AMD EXPO on the same module, Crucial offers you ultimate flexibility with your build
MICRON QUALITY & RELIABILITY: With 45 years of memory expertise, Micron delivers cutting-edge engineering and superior component and module-level testing; including limited lifetime warranty

Full Specifications

Brand	Crucial
Voltage	1.35 volts
RAM Size	64 GB
Model Name	Pro DDR5 RAM 64GB Kit 6400MHz Overclocking Desktop Gaming Memory Black
Unit Count	1 Count
FLEXIBILITY	By supporting both Intel XMP 3.0 and AMD EXPO on the same module, Crucial offers you ultimate flexibility with your build
Form Factor	DIMM
Memory Speed	6400 MHz
Model Number	CP2K32G64C40U5B
Number of Pins	288
Mfr Part Number	CP2K32G64C40U5B
Memory Generation	DDR5
Compatible Devices	Desktop
Data Transfer Rate	6400 MHz
Memory Form Factor	DIMM, UDIMM
Additional Features	Auto-Overclocking
Computer Memory Size	64 GB
Warranty Description	Limited Lifetime Warranty
RAM Memory Technology	DDR5
Column Address Strobe Latency	40
Full listing title	Crucial Pro DDR5 RAM 64GB Kit (2x32GB) 6400MHz CL40, Overclocking Desktop Gaming Memory, Intel XMP 3.0 & AMD Expo Compatible – Black CP2K32G64C40U5B

Ready to buy?

Crucial Pro DDR5 RAM 64GB Kit (2x32GB) 6400MHz CL40, Overclocking Desktop Gaming Memory, Intel XMP 3.0 & AMD Expo Compatible – Black CP2K32G64C40U5B is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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