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Crucial 64GB DDR5 RAM Kit (2x32GB), 4800MHz CL40 Laptop Memory - SODIMM 262-Pin - Compatible with 12th Intel Core - CT2K32G48C40S5
Crucial

Crucial 64GB DDR5 RAM Kit (2x32GB) (CT2K32G48C40S5)

Bottom line: The Crucial 64GB DDR5 RAM Kit ($999.98 on Amazon as of 2026-10-06): 64GB total (2x32GB) handles VMs, 4K timelines and heavy multitasking without swapping; main trade-off: 4800MHz CL40 is entry-tier DDR5 speed; faster 5600/6400 SODIMM kits exist.

$999.98

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 64GB total (2x32GB) handles VMs, 4K timelines and heavy multitasking without swapping
  • ✓ 4800MHz PC5-38400 baseline speed, the JEDEC spec for 12th Gen Intel DDR5 laptops
  • ✓ Supports both Intel XMP 3.0 and AMD EXPO profiles on the same module
  • ✓ Micron-made and tested at component and module level, backed by 42 years of memory work

Cons

  • ✗ 4800MHz CL40 is entry-tier DDR5 speed; faster 5600/6400 SODIMM kits exist
  • ✗ CL40 latency is high in absolute terms compared to mature DDR4 SODIMM kits
  • ✗ Non-ECC only - not an option for workstation laptops that require error correction
  • ✗ 262-pin SODIMM fits laptops only; will not work in a desktop DIMM slot

Manufacturer description

Boosts System Performance: 64GB DDR5 RAM laptop memory kit (2x32GB) that operates at 4800MHz to improve multitasking and system responsiveness for smoother performance Accelerated gaming performance: Every millisecond gained in fast-paced gameplay counts—power through heavy workloads and benefit from versatile downclocking and higher frame rates Optimized DDR5 compatibility: Best for 12th Gen Intel Core and AMD Ryzen 7000 Series processors — Intel XMP 3.0 and AMD EXPO also supported on the same RAM module

SpecPicks Verdict

SpecPicks scored Crucial 64GB DDR5 RAM Kit 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.

Frequently Asked Questions

Will this 64GB kit work in my laptop?

It fits 262-pin DDR5 SODIMM slots and is optimized for 12th Gen Intel Core and AMD Ryzen 7000 Series systems. Confirm your laptop has two accessible SODIMM slots and supports 32GB per slot before ordering.

What speed and timings does this kit run at?

4800MHz, CL40, rated PC5-38400 at 1.1V. Intel XMP 3.0 and AMD EXPO profiles are supported on the module, and DDR5 downclocking lets it drop to a slower supported speed if your memory controller requires it.

Is this one 64GB stick or two?

Two modules of 32GB each (part number CT2K32G48C40S5), so you get a matched dual-channel pair. You need both slots free to install the full 64GB.

Does this memory have ECC?

No. It is listed as non-ECC with a 2Rx8 rank and configuration. If your machine requires ECC SODIMMs for workstation certification, this kit is not the right choice.

Is 64GB overkill for gaming?

For gaming alone, yes - most titles are satisfied well below 64GB. This capacity pays off when you game alongside streaming, VMs, local AI models, or large creative projects. Crucial markets it for heavy workloads as much as frame rates.

Key Features

  • Boosts System Performance: 64GB DDR5 RAM laptop memory kit (2x32GB) that operates at 4800MHz to improve multitasking and system responsiveness for smoother performance
  • Accelerated gaming performance: Every millisecond gained in fast-paced gameplay counts—power through heavy workloads and benefit from versatile downclocking and higher frame rates
  • Optimized DDR5 compatibility: Best for 12th Gen Intel Core and AMD Ryzen 7000 Series processors — Intel XMP 3.0 and AMD EXPO also supported on the same RAM module
  • Trusted Micron Quality: Backed by 42 years of memory expertise, this DDR5 RAM is rigorously tested at both component and module levels, ensuring top performance and reliability
  • ECC type=non-ECC, Form Factor=SODIMM, Pin count=262-pin, PC speed=PC5-38400, Voltage=1.1V, Rank and Configuration=2Rx8

Full Specifications

Size64GB Kit (2x32GB)
BrandCrucial
ColorMulticolor
ModelCT2K32G48C40S5
WarrantyLimited Lifetime Warranty
UnitCount2
ReleaseDate2022-02-22T00:00:01Z
ManufacturerCrucial
ItemPartNumberCT2K32G48C40S5
Full listing titleCrucial 64GB DDR5 RAM Kit (2x32GB), 4800MHz CL40 Laptop Memory - SODIMM 262-Pin - Compatible with 12th Intel Core - CT2K32G48C40S5

Ready to buy?

Crucial 64GB DDR5 RAM Kit (2x32GB), 4800MHz CL40 Laptop Memory - SODIMM 262-Pin - Compatible with 12th Intel Core - CT2K32G48C40S5 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.

Buy on Amazon — $999.98

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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