Crucial

Crucial 32GB DDR5 RAM Kit (2x16GB) (CT2K16G48C40U5)

Status: Crucial 32GB DDR5 RAM Kit (32GB (2x16GB) DDR5 desktop DIMM kit): Unavailable on Amazon as of 2026-10-05 04:32 UTC. Closest in-stock match (same 32GB (2x16GB) DDR5 desktop DIMM): Crucial Pro 32GB DDR5 RAM Kit, $549.99 on Amazon as of 2026-10-06 22:12 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $549.99 🛒 Search eBay for this model

Bottom line: The Crucial 32GB DDR5 RAM Kit: 32GB total (2x16GB) in a matched dual-channel kit, no mixed-DIMM guesswork; main trade-off: 4800MHz is DDR5 base spec, well below 6000MHz+ enthusiast kits.

Unavailable on Amazon as of 2026-10-05 04:32 UTC

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

Same 32GB (2x16GB) DDR5 desktop DIMM: Crucial Pro 32GB DDR5 RAM Kit — $549.99 on Amazon as of 2026-10-06 22:12 UTC (price may vary).

View Current Price — $549.99

Same 32GB (2x16GB) DDR5 desktop DIMM: CORSAIR Vengeance RGB DDR5 32GB — $639.99 on Amazon as of 2026-10-06 22:12 UTC (price may vary).

View Current Price — $639.99

Same 32GB (2x16GB) DDR5 desktop DIMM: 【DDR5 RAM】 GIGASTONE 32GB Kit — $448.99 on Amazon as of 2026-10-06 16:25 UTC (price may vary).

View Current Price — $448.99

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

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

✓ 32GB total (2x16GB) in a matched dual-channel kit, no mixed-DIMM guesswork
✓ Both Intel XMP 3.0 and AMD EXPO profiles on the same module
✓ 1.1V DDR5 operation, lower than DDR4's typical 1.2V
✓ Micron-built and tested at component and module level

Cons

✗ 4800MHz is DDR5 base spec, well below 6000MHz+ enthusiast kits
✗ CL40 latency is loose compared to CL30-CL36 tuned kits
✗ Non-ECC only, so not suitable for ECC workstation or server builds
✗ No heat spreaders or RGB mentioned in the spec list

Manufacturer description

The Crucial 32GB DDR5 RAM kit (CT2K16G48C40U5) pairs two 16GB UDIMMs at 4800MHz (PC5-38400) with CL40 timings, giving your desktop the headroom for heavy multitasking, 4K video editing, and modern game engines that increasingly treat 32GB as the comfortable floor. Built on Micron silicon and backed by 42 years of memory engineering, each module is tested at both the component and module level before it ships. The 288-pin, non-ECC UDIMM form factor drops into standard DDR5 desktop boards, and Crucial targets 12th and 13th Gen Intel Core plus AMD Ryzen 7000 Series platforms. Both Intel XMP 3.0…

SpecPicks Verdict

SpecPicks scored Crucial 32GB 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 Crucial DDR5 kit work with my AMD Ryzen 7000 CPU?

Yes. Crucial lists the CT2K16G48C40U5 as optimized for AMD Ryzen 7000 Series and 12th/13th Gen Intel Core processors, and the modules carry both AMD EXPO and Intel XMP 3.0 profiles. Confirm your specific motherboard's QVL before buying.

Is 4800MHz fast enough for gaming?

4800MHz is the JEDEC DDR5 baseline speed. It runs games fine and Crucial markets it for higher frame rates, but tuned 6000MHz+ kits deliver more memory bandwidth if you are chasing maximum FPS on a high-end CPU.

What does CL40 mean on this kit?

CL40 is the CAS latency, the delay in clock cycles before the memory returns requested data. At 4800MHz, CL40 is standard for entry-level DDR5; lower-CL kits respond faster but usually cost more.

Can I use these two sticks in a four-slot motherboard and add more later?

The kit is 2x16GB, so two of four slots stay open. Mixing in a separate kit later can cause training or stability issues, so populate the two slots your board's manual specifies for dual-channel and plan ahead if you want 64GB.

Does this RAM include ECC or a heat spreader?

No. The spec sheet lists ECC Type as Non-ECC, form factor UDIMM, 288-pin, PC5-38400, at 1.1V. Check the product listing for current warranty terms and physical dimensions before ordering a low-clearance cooler.

Key Features

Boosts System Performance: 32GB DDR5 RAM desktop memory kit (2x16GB) 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 13th 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 = UDIMM, Pin Count = 288-pin, PC Speed = PC5-38400, Voltage = 1.1V

Full Specifications

Brand	Crucial
Voltage	1.1 volts
RAM Size	32 GB
Model Name	Crucial DDR5 UDIMM
Unit Count	1 Count
Form Factor	DIMM
Memory Speed	4800 MHz
Model Number	CT2K16G48C40U5
Compatibility	PC
Item Type Name	DDR5 Desktop Memory
Number of Pins	288
Mfr Part Number	CT2K16G48C40U5
Number of Items	2
Memory Generation	DDR5
Compatible Devices	Desktop
Data Transfer Rate	4800 MHz
Memory Form Factor	UDIMM
Additional Features	Lightweight
Computer Memory Size	32 GB
Warranty Description	Limited Lifetime
Full listing title	Crucial 32GB DDR5 RAM Kit (2x16GB), 4800MHz (PC5-38400) CL40 Desktop Memory, UDIMM 288-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K16G48C40U5

Ready to buy?

Crucial 32GB DDR5 RAM Kit (2x16GB), 4800MHz (PC5-38400) CL40 Desktop Memory, UDIMM 288-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K16G48C40U5 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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