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Crucial CT2K64G56C46S5 DDR5-5600 128GB (2x64GB) specifications and in-depth review

Crucial CT2K64G56C46S5 DDR5-5600 128GB (2x64GB)

Manufacturer: Crucial

The Crucial CT2K64G56C46S5 DDR5-5600 is a high-performance memory kit designed for systems requiring large memory capacity and fast speeds. This 128GB kit, consisting of two 64GB modules, features a memory speed of 5600 MHz and is built to operate with the latest DDR5 technology, providing reliable and efficient performance.

Key specifications include a CAS latency of 46, with tRAS, tRCD, and tRP timings set to 45, offering optimized memory access. This kit operates at a voltage of 1.1V and is designed in a 262-pin SO-DIMM form factor, ideal for laptops and compact systems. The modules do not include an integrated heatsink or RGB lighting, and they do not support ECC memory.

Pros
  • Supports Intel XMP 3.0 for easy overclocking and performance tuning.
  • Operates at a high memory speed of 5600 MHz, offering fast data transfer rates.
  • Large total memory size of 128GB (2 x 64GB), suitable for demanding tasks or large applications.
Cons
  • Does not support ECC memory, which could limit its use in error-sensitive applications.
  • Lacks an integrated heatsink, which may result in higher temperatures under heavy use.
  • Does not feature RGB lighting, which might be a downside for users seeking aesthetic customization.
Who is this for?

The Crucial CT2K64G56C46S5 DDR5-5600 is ideal for users who require a high-capacity memory solution, such as content creators or professionals running memory-intensive applications. With a total of 128GB (2 x 64GB) and a memory speed of 5600 MHz, it is well-suited for tasks like video editing, 3D rendering, or large-scale data analysis where both capacity and speed are essential.

Who is this NOT for?

This memory kit may not be suitable for users who need error-correction or seek an aesthetic build. It does not support ECC memory, which could be a limitation for work in critical systems where data integrity is a concern, and it lacks RGB lighting or a heatsink, making it less ideal for those who prioritize visual customization or advanced thermal management in their builds.

Performance:

true latency 16.4 ns
memory speed (Tested Speed) 5600
memory speed (SPD) 5600 MHz
DDR memory version 5
CAS Latency (CL) 46
tRAS timing 45
tRCD timing 46
tRP timing 45

The performance of the Crucial CT2K64G56C46S5 DDR5-5600 memory kit is defined by its 5600 MHz tested speed and CAS Latency (CL) of 46, providing solid data transfer rates. The kit also operates with a tRAS and tRCD timing of 45, while the tRP timing is also set at 45. Additionally, the true latency is 16.4 ns, making it a reliable choice for users seeking high-speed memory with optimized performance.

General info:

form factor 262-pin SO-DIMM
memory size (total) 2 x 64GB
has Samsung B-Die ✕
voltage 1.1V
height 30 mm
release date February 2025
memory size 64GB

The Crucial CT2K64G56C46S5 DDR5-5600 memory kit comes in a 262-pin SO-DIMM form factor, making it suitable for laptops and compact systems. With a total memory size of 128GB (2 x 64GB), it offers large capacity for demanding tasks. The modules operate at a voltage of 1.1V and have a height of 30 mm, fitting most systems without requiring extra space. This kit does not feature Samsung B-Die chips, providing an alternative to certain high-end memory configurations.

Features:

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

The Crucial CT2K64G56C46S5 DDR5-5600 memory kit features Intel XMP 3.0 support for easy overclocking and performance optimization. However, it does not support ECC memory, nor does it include an integrated heatsink or RGB lighting, focusing purely on function without aesthetic or error-correction features.

Benchmarks:

Final Verdict

The Crucial CT2K64G56C46S5 DDR5-5600 is a high-performance memory kit designed for users who need substantial memory capacity and speed, making it an excellent choice for demanding tasks like content creation and large-scale data processing. With a total of 128GB (2 x 64GB) and a memory speed of 5600 MHz, it excels in both performance and reliability. However, its lack of ECC support and advanced features like RGB lighting or a heatsink may make it less appealing to those with specific aesthetic or error-correction needs. Overall, it's a strong option for those prioritizing high memory capacity and fast speeds in non-error-critical applications.

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