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Corsair Vengeance DDR5-6400 C42 128GB (2x64GB) specifications and in-depth review

Corsair Vengeance DDR5-6400 C42 128GB (2x64GB)

Manufacturer: Corsair

The Corsair Vengeance DDR5-6400 is a high-capacity memory kit designed for demanding computing needs. This 128GB (2x64GB) kit offers impressive performance with a memory speed of 6400 MHz. It features an integrated heatsink and supports Intel XMP 3.0 for easy overclocking and system tuning.

The kit operates at a voltage of 1.35V and includes timings of CL42 for CAS latency, tRCD and tRP both at 52, and tRAS at 104. While it does not support ECC memory or utilize Samsung B-Die chips, it provides reliable performance in a 288-pin DIMM form factor, with a height of 35mm for compatibility in various setups.

Pros
  • Supports Intel XMP 3.0 for easy overclocking and performance tuning.
  • Includes an integrated heatsink for better thermal management.
  • Offers a total capacity of 128GB (2x64GB), suitable for demanding workloads.
Cons
  • Does not support ECC memory, limiting its use in error-sensitive applications.
  • Lacks RGB lighting, which may be a drawback for users who prefer visual customization.
  • Does not use Samsung B-Die chips, which are known for overclocking potential.
Who is this for?

This memory kit is ideal for users who need high-capacity memory for intensive tasks such as video editing, 3D rendering, or data analysis. With a total of 128GB (2x64GB) and a memory speed of 6400 MHz, it excels in environments where large memory bandwidth and quick data access are essential. Additionally, Intel XMP 3.0 support makes it suitable for users who want easy overclocking for better performance in demanding applications.

Who is this NOT for?

This memory kit is not ideal for users who require error-correcting code (ECC) memory, as it does not support ECC functionality. It's also not suitable for those who prioritize RGB lighting or are looking for the best overclocking potential, as it lacks RGB lighting and does not use Samsung B-Die chips, which are preferred by some enthusiasts for their overclocking capabilities. Finally, its lack of ECC support makes it less suitable for mission-critical applications where data integrity is paramount.

Performance:

true latency 13.12 ns
memory speed (Tested Speed) 6400
memory speed (SPD) 4800 MHz
DDR memory version 5
CAS Latency (CL) 42
tRAS timing 104
tRCD timing 52
tRP timing 52

The Corsair Vengeance DDR5-6400 kit features a tested memory speed of 6400 MHz, offering robust performance for demanding applications. It operates with a CAS Latency (CL) of 42, alongside tRCD and tRP timings of 52, and a tRAS timing of 104. The true latency is measured at 13.12 ns, ensuring fast and efficient memory access. While it supports DDR5, the SPD speed is set to 4800 MHz for compatibility with lower-end systems.

General info:

form factor 288-pin DIMM
memory size (total) 2 x 64GB
has Samsung B-Die ✕
voltage 1.35V
height 35 mm
release date May 2025
memory size 64GB

The Corsair Vengeance DDR5-6400 kit features a total memory size of 128GB (2 x 64GB modules), offering substantial capacity for heavy workloads. Each module operates at a voltage of 1.35V and has a height of 35mm, making it suitable for a wide range of systems. The memory comes in a 288-pin DIMM form factor and does not utilize Samsung B-Die chips.

Features:

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

The Corsair Vengeance DDR5-6400 features Intel XMP 3.0 support for easy overclocking and performance tuning. It includes a built-in heatsink for better thermal management during heavy usage, but it does not support ECC memory or offer RGB lighting.

Benchmarks:

Final Verdict

The Corsair Vengeance DDR5-6400 is a high-performance memory kit well-suited for demanding tasks such as content creation or heavy multitasking. With 128GB of capacity and a memory speed of 6400 MHz, it delivers excellent bandwidth for modern applications. While it lacks support for ECC memory and RGB lighting, it excels in environments where fast, reliable memory is essential. This kit is an ideal choice for users looking for large memory capacities and overclocking potential, but not for those who require ECC or visual customization features.

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