Crucial Pro 32GB (2 x 16GB) DDR5 6400MT/s CL38 UDIMM RAM White – CP2K16G64C38U5W

Product Overview

The Crucial Pro Overclocking DDR5 kit, exact MPN CP2K16G64C38U5W, provides 32GB total capacity through two matched 16GB white UDIMMs. It is rated for 6400MT/s at CL38 with 38-40-40-84 primary timings and a PC5-51200 classification. Crucial supplies Intel XMP 3.0 and AMD EXPO profiles, including a 6400MT/s 38-40-40-84 profile and an additional 6000MT/s 36-38-38-80 profile. The modules are unbuffered, use a 1Rx8 organization and feature white aluminium heat spreaders with Crucial's origami-inspired design. This model has no RGB lighting, making it suitable for white builds that favour a clean appearance. Crucial specifies component-level on-die ECC as a DDR5 stability feature and backs the kit with a limited lifetime manufacturer warranty. Both modules belong to one factory kit and should be kept together.

Key Features

• Factory 32GB kit with two matched 16GB desktop UDIMMs.
• Rated 6400MT/s profile with CL38-40-40-84 timings.
• Secondary 6000MT/s profile with 36-38-38-80 timings.
• Supports Intel XMP 3.0 and AMD EXPO profiles.
• White aluminium heat spreaders with no RGB lighting.
• Unbuffered 1Rx8 module organization for desktop platforms.
• Covered by Crucial's limited lifetime manufacturer warranty.

Technical Specifications

• Brand: Crucial
• Series: Pro Overclocking
• Manufacturer Part Number: CP2K16G64C38U5W
• Memory Type: DDR5
• Total Capacity: 32GB
• Kit Configuration: 2 x 16GB
• Capacity per Module: 16GB
• Module Type: 288-pin UDIMM, unbuffered
• Rated Data Rate: 6400MT/s
• PC Speed: PC5-51200
• CAS Latency: CL38
• Primary Timings: 38-40-40-84
• Profiles: Intel XMP 3.0 and AMD EXPO
• Organization / Colour: 1Rx8 / White
• Manufacturer Warranty: Limited lifetime warranty

Compatibility and Setup

This kit requires desktop DDR5 UDIMM slots and cannot be installed in DDR4 or laptop SODIMM sockets. Check the motherboard manual and QVL before purchase. Crucial notes that reaching an advertised overclocked profile depends on the CPU tier, motherboard, BIOS version, memory controller, module rank and the number of modules per channel. Enable only a profile supported by the system, and avoid mixing this matched kit with unrelated modules.

Frequently Asked Questions

Is this one 32GB stick?
No. CP2K16G64C38U5W is a factory kit containing two 16GB modules.

Does this kit have RGB lighting?
No. This exact white model uses aluminium heat spreaders without RGB lighting.

Does it support both XMP and EXPO?
Yes. Crucial specifies Intel XMP 3.0 and AMD EXPO profiles for this kit.

What timings are provided?
The 6400MT/s profile is 38-40-40-84; Crucial also lists a 6000MT/s 36-38-38-80 profile.

Is 6400MT/s guaranteed on every motherboard?
No. Attainable speed depends on the CPU, motherboard, BIOS, memory controller and installed module configuration.