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Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) specifications and in-depth review

Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB)

Manufacturer: Crucial

The Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) memory kit is built to deliver high performance for demanding computing tasks. With a total of 64GB (2x32GB) of memory, it supports overclocking capabilities and is designed to work efficiently with Intel XMP 3.0 and AMD EXPO profiles. This kit features a memory speed of 6400 MHz for fast data processing, making it ideal for users looking for top-tier memory performance.

Key technical specifications include a CAS latency of 40 and timings of 40-40-40-84 (CL-tRCD-tRP-tRAS), optimizing responsiveness during intensive tasks. The memory operates at a voltage of 1.35V and comes in a standard 288-pin DIMM form factor. It also includes an integrated heatsink for effective cooling but does not feature RGB lighting or support ECC memory.

Pros
  • Supports Intel XMP 3.0 and AMD EXPO for easy overclocking setup.
  • Includes an integrated heatsink for improved cooling during high-performance use.
  • High memory speed of 6400 MHz for fast data processing.
Cons
  • Does not support ECC memory, limiting its use for error-correcting applications.
  • No RGB lighting for users seeking customizable aesthetic features.
  • Uses standard 1.35V voltage, which may not be ideal for extreme overclocking enthusiasts looking for lower voltage options.
Who is this for?

This memory kit is ideal for users looking to boost their desktop’s performance with fast memory speeds of 6400 MHz and overclocking support via Intel XMP 3.0 and AMD EXPO profiles. Gamers, content creators, and PC enthusiasts who require smooth multitasking and fast data handling will benefit from its capabilities. The integrated heatsink ensures reliable cooling during intensive tasks, making it a good choice for high-performance builds.

Who is this NOT for?

This memory may not be suitable for users who need ECC memory for error-correction, as it does not support that feature. Additionally, it lacks RGB lighting, which might be a drawback for users who prioritize aesthetic customization in their builds. Also, extreme overclocking enthusiasts might find its 1.35V voltage and standard timings limiting compared to lower-voltage, specialized memory options.

Performance:

true latency 12.5 ns
memory speed (Tested Speed) 6400
memory speed (SPD) 6400 MHz
DDR memory version 5
CAS Latency (CL) 40
tRAS timing 84
tRCD timing 40
tRP timing 40

The Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) memory offers a memory speed of 6400 MHz (tested speed), supported by a DDR5 architecture. It has a CAS latency of 40, with timing values of 40-40-40-84 (CL-tRCD-tRP-tRAS). Additionally, the memory features a true latency of 12.5 ns for enhanced responsiveness, making it suitable for high-performance computing tasks.

General info:

form factor 288-pin DIMM
memory size (total) 2 x 32GB
has Samsung B-Die ✕
voltage 1.35V
height 35 mm
release date February 2025
memory size 32GB

The Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) memory kit comes in a 288-pin DIMM form factor, making it compatible with most modern desktops. Each module is sized at 32GB, bringing the total memory capacity to 64GB. It operates at a voltage of 1.35V and has a height of 35 mm, ensuring it fits in standard memory slots. The kit does not feature Samsung B-Die chips.

Features:

Intel XMP / AMD EXPO Intel XMP 3.0, AMD EXPO
Supports ECC memory ✕
Has an integrated heatsink ✓
has RGB lighting ✕

The Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) memory kit supports Intel XMP 3.0 and AMD EXPO profiles for easy overclocking. It includes an integrated heatsink to help maintain optimal temperature during high-performance use, but it does not feature RGB lighting or support ECC memory.

Benchmarks:

Final Verdict

The Crucial Pro Overclocking DDR5-6400 CL40 64GB (2x32GB) memory kit delivers strong performance with its 6400 MHz speed and overclocking support through Intel XMP 3.0 and AMD EXPO. Its integrated heatsink provides effective cooling, making it a solid choice for high-performance systems. However, it lacks support for ECC memory and RGB lighting, which may be drawbacks for some users. Overall, this memory is well-suited for gamers and power users who prioritize raw speed and reliability in their builds.

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