Crucial CP32G56C46U5.C16B2 32GB
- Capacity:
- 32GB
- Speed:
- 5600MT/s
- CAS Latency:
- CL46
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Manufacturer: Crucial Last updated: 2026-09-14
Crucial CP32G56C46U5.C16B2 32GB Review
The Crucial CP32G56C46U5.C16B2 is a Crucial Pro 32GB DDR5-5600 CL46 desktop module, dual XMP 3.0/EXPO certified and sold with the black heat spreader Crucial's Pro line uses.
We'd recommend it as a single-stick 32GB upgrade for a build with one free DIMM slot, it's the certified, better-looking Pro version of Crucial's plain CT-series modules at the same spec.
Performance
5600MT/s CL46 gives a true latency around 16.4ns, and unlike Crucial's bare CT-series parts, this Pro module carries dual XMP 3.0 and AMD EXPO certification, so it drops straight to its rated speed on either platform with one click instead of running at JEDEC defaults.
Comparison to Alternatives
The direct sibling in this catalog is Crucial Pro CP16G56C46U5, the same certified line and CL46 timing at half the capacity (16GB single module); step up to this CP32G56C46U5.C16B2 if you need 32GB in one slot. For dual-channel builds, the Crucial Pro CP2K32G56C46U5 64GB (2x32GB) kit uses the identical per-module spec split across two sticks instead.
Specifications
Identity
| Brand | Crucial |
|---|---|
| Part Number | CP32G56C46U5.C16B2 |
| Series | Crucial Pro |
Memory
| DDR Generation | DDR5 |
|---|---|
| Capacity | 32 GB |
| Speed | 5600 MT/s |
| CAS Latency | 46 |
| Module Count | 1 |
| Voltage | 1.1 V |
Physical
| Form Factor | Desktop DIMM |
|---|---|
| RGB Lighting | No |
Module and platform
| RAM Segment | Desktop DDR5 |
|---|
Capacity
| Capacity Per Module | 32 GB |
|---|
Speed and timings
| True Latency | 16.4 ns |
|---|
Silicon
| Memory IC | Micron |
|---|---|
| ECC | No |
Physical and lighting
| Colour | Black |
|---|
Commercial
| Warranty | Limited Lifetime |
|---|
| Model Number | CP32G56C46U5.C16B2 |
|---|---|
| OC Profile | XMP 3.0 + EXPO |
| Spec Score | 3.2 |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Single-slot 32GB desktop upgrades on AM5 or Intel boards
- Builds that want certified XMP/EXPO one-click overclocking
- Buyers who prefer the Pro line's heat-spreader looks over bare CT modules
Not for
- Builds with two free slots better served by a matched 2x16GB kit
- RGB-themed builds
FAQs
What are the key specifications of the Crucial CP32G56C46U5.C16B2 32GB?
The Crucial CP32G56C46U5.C16B2 32GB is a memory kit from Crucial. Key specs: DDR Generation DDR5, Capacity 32GB, Speed 5600MT/s, CAS Latency 46, Module Count 1.
Will the Crucial CP32G56C46U5.C16B2 32GB work with my current setup?
The Crucial CP32G56C46U5.C16B2 32GB lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.
Who is the Crucial CP32G56C46U5.C16B2 32GB best suited to?
It suits single-slot 32gb desktop upgrades on am5 or intel boards, builds that want certified xmp/expo one-click overclocking, buyers who prefer the pro line's heat-spreader looks over bare ct modules.
What are the drawbacks of the Crucial CP32G56C46U5.C16B2 32GB?
It is a poor fit for builds with two free slots better served by a matched 2x16gb kit, rgb-themed builds.