Crucial Pro OC 16GB 6400MHz CL38 DDR5 RAM
MPN CP16G64C38U5B · Brand CRUCIAL
The Crucial Pro OC CP16G64C38U5B is a single 16GB DDR5 UDIMM running at 6,400MHz CL38 (1.35V) with support for both Intel XMP 3.0 and AMD EXPO overclocking profiles on the same module
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Overview
The Crucial Pro OC 16GB DDR5 RAM (model CP16G64C38U5B) is a single-module UDIMM kit engineered for builders who want to extract peak performance from their DDR5-ready platform. Running at a tested speed of 6,400MHz with a CL38 primary latency and an operating voltage of 1.35V, this module is purpose-built for stable overclocking out of the box. One of the defining characteristics of this module is its simultaneous support for both Intel XMP 3.0 and AMD EXPO on the same stick. That dual-profile flexibility means you can drop it into an Intel or AMD build and enable the rated 6,400MHz profile in your UEFI with a single toggle — no manual sub-timing adjustments required to reach the tested specification. The Pro OC series sits at the top of Crucial's consumer DRAM lineup. Crucial is the consumer brand of Micron Technology, one of the world's largest DRAM manufacturers, which means every module undergoes component-level and module-level testing before it ships. The result is a stick that is backed by a limited lifetime warranty and built on the same fab processes Micron uses for enterprise-grade memory. For gaming workloads, the move from DDR4 to DDR5 at 6,400MHz brings a substantial jump in peak theoretical bandwidth, which benefits memory-bandwidth-sensitive titles and modern multi-core CPU architectures that can schedule more threads simultaneously. The 16GB single-module configuration gives you a single-channel baseline that is also upgrade-friendly: pair a second CP16G64C38U5B stick later to double bandwidth via dual-channel operation. Verified Specifications: - Part Number: CP16G64C38U5B - Memory Type: DDR5 - Form Factor: UDIMM - Capacity: 16GB (single module, 16GB x 1 kit) - Tested Speed: 6,400MHz - Primary Latency (CL): 38 - Tested Voltage: 1.35V - Profile Support: Intel XMP 3.0, AMD EXPO - Product Series: Pro Overclocking (PRO OC) - Warranty: Limited Lifetime - Brand: Crucial (a Micron brand)
Datasheet
| Warranty | Lifetime |
|---|---|
| Capacity | 16GB |
| Kit Type | 16GB x 1 |
| Timing | 38 |
| Voltage | 1.35 V |
| Model | CP16G64C38U5B |
| Speed | 6400 MHz |
| Profile Type | Intel XMP,AMD EXPO |
| Product Series | PRO OVERCLOCKING |
| Memory Type | UDIMM |
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