Crucial

Crucial Pro 32GB DDR5-5600 CL46

Ranked #9 in RAM

374 LP on the category ladder what's LP?

A reliable, low-voltage plug-and-play kit that testers found performs exactly like Crucial's plain DDR5-5600, held back mainly by its relatively loose CL46 timings next to performance-themed rivals.

Backed by one cited source so far - limited coverage

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Flagged as a product to avoid

1 of 4 research runs entered this as a product to avoid rather than a pick. A trap is a product buyers genuinely cross-shop but should not buy, ranked honestly alongside the real picks rather than dropped to the bottom. Why the boards include them

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About this product

This page covers the Crucial Pro CP2K16G56C46U5, a 32GB DDR5 desktop memory kit made of two 16GB sticks with a low-profile matte black heat spreader and no RGB lighting. It is rated for 5600 MT/s at CL46 (46-45-45) and runs at just 1.1V.

Every module carries both an Intel XMP 3.0 and an AMD EXPO profile, and Crucial lists 12th and 13th Gen Intel Core and AMD Ryzen 7000 desktops as examples of the DDR5 systems it fits. It suits a mainstream build where plug-and-play reliability matters more than tight timings. It does not work in DDR4 motherboards.

PCinq and APH Networks both tested this exact kit and found it essentially the same as Crucial's plain CT2K16G56C46U5 with a heat spreader added. Micron announced in December 2025 that it is leaving the Crucial consumer business, with shipments to retailers ending in February 2026, though it says warranty service and support continue.

Specifications

Part number: CP2K16G56C46U5 1
Capacity: 32GB Kit (16GBx2) 1
Memory type: DDR5 1
Rated speed: DDR5-5600 1
Timings: CL46 (46-45-45) 3
Voltage: 1.1V 3
Profiles: Intel® XMP 3.0 and AMD EXPO 2
Pin count: 288-pin 3
Warranty: limited lifetime warranty 1

Checked by hand in September 2026 against 6 sources

Pros & cons

✓ Carries both Intel XMP 3.0 and AMD EXPO profiles on the same module
✓ Low-profile heat spreader, measured at 32.0mm tall by PCinq, should clear any CPU heatsink
✓ Runs its rated speed at only 1.1V
✓ Some headroom in testing: APH Networks reached DDR5-6000 at 1.35V without relaxing timings, and PCinq reached DDR5-6400
✓ Limited lifetime warranty (ten years in Germany and France)

✗ Relatively high CAS latency: CL46 timings are loose next to performance-themed kits
✗ Crucial says running it beyond its rated speed, timings or voltage voids the warranty
✗ Micron has exited the Crucial consumer business and stopped shipping to retailers in February 2026, so remaining stock may be hard to find

The sources behind this ranking

We searched the web and YouTube for what has been published about this product, then read the articles, video transcripts and comments we found.

1 mixed source

B r/buildapc u/Embarrassed-Cash9997 · owner

I am more than happy with it.

Read thread

Frequently asked questions

It ranks #9 of 15 on our RAM tier list, in C tier. That placement rests on one cited source.

Yes. Each module carries an Intel XMP 3.0 and an AMD EXPO profile, and Crucial names 12th and 13th Gen Intel Core and AMD Ryzen 7000 desktop processors as examples of compatible systems. It needs a DDR5 motherboard and will not fit a DDR4 board.

To be sure of its rated speed, yes. Crucial says its DDR5 desktop modules reach their rated speeds with Intel XMP 3.0 or AMD EXPO turned on in the UEFI or BIOS settings, so enable whichever profile your board offers after installing the kit.

Almost certainly. Crucial describes the heat spreader as low profile, PCinq measured the modules at 32.0mm tall, and APH Networks says the heat spreader adds so little height that it should be compatible with any CPU heatsink.

A little, at your own risk. APH Networks reached DDR5-6000 at 1.35V without relaxing timings, and PCinq reached DDR5-6400 with 42-45-45-90 timings. Crucial warns that running beyond the advertised speed, timings or voltage may damage components and will void the warranty.

Micron says it will provide continued warranty service and support for Crucial products after exiting the Crucial consumer business. Crucial's own terms give a limited lifetime warranty, or ten years from purchase in Germany and France.