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Corsair Vengeance RGB DDR5-6400 2x32GB kit CMH64GX5M2Y6400C32
Corsair

Corsair CMH64GX5M2Y6400C32 64GB

View on corsair.com
Capacity:
64GB (2x32GB)
Speed:
6400MT/s
CAS Latency:
CL32

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Manufacturer: Corsair Last updated: 2026-09-14

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Corsair CMH64GX5M2Y6400C32 64GB Review

Need 64GB of DDR5 RGB memory with fast timings? The Corsair CMH64GX5M2Y6400C32 is a matched 2x32GB Vengeance RGB kit at DDR5-6400 CL32.

10.0ns true latency matches Corsair's non-RGB CMK64GX5M2B6400C32 kit exactly, same performance, plus the ten-zone Vengeance RGB lighting.

Compatibility and Buying Advice

6400MT/s sits right at the edge of AM5's 1:1 fabric ratio, check your board's QVL for a Ryzen 7000/9000 gaming build. Intel platforms have no such concern.

Speed and Latency

Speed and CL only mean something together: 32 cycles at 6400MT/s is 10ns of real delay. That beats 54% of the desktop DDR5 kits in our catalog.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Intel or validated AM5 builds wanting 64GB, fast timings, and RGB lighting

Not for

  • AM5 gaming builds on boards not validated past 6000-6400MT/s, see CMH64GX5M2B6000C30 instead
  • Buyers who don't want RGB, see the non-RGB CMK64GX5M2B6400C32

Specifications

What these specs mean
Speed Score
8.8/10

How fast this kit is among DDR5 kits, rated from its speed and latency.

Identity

Peak Bandwidth102.4 GB/s
BrandCorsair
Part NumberCMH64GX5M2Y6400C32

Memory

DDR GenerationDDR5
Capacity64 GB
Speed6400 MT/s
CAS Latency32
Module Count2

Physical

RGB LightingYes

Module and platform

RAM SegmentDesktop DDR5
Form FactorDesktop DIMM
Platform OptimisationAM5

Capacity

Capacity Per Module32 GB

Speed and timings

True Latency10.0 ns

Overclocking profile

XMP SupportYes
XMP VersionXMP 3.0
EXPO SupportNo

Silicon

Memory ICUndisclosed

Physical and lighting

ColourBlack

FAQs

What are the key specifications of the Corsair CMH64GX5M2Y6400C32 64GB (2x32GB) DDR5 Vengeance RGB Desktop RAM Kit?

Key specs for the Corsair CMH64GX5M2Y6400C32 64GB: Capacity Per Module 32 GB, Capacity 64 GB, Speed 6400 MT/s, OC Profile XMP 3.0, DDR Generation DDR5, Part Number CMH64GX5M2Y6400C32.

Will the Corsair CMH64GX5M2Y6400C32 64GB (2x32GB) DDR5 Vengeance RGB Desktop RAM Kit work with my current setup?

The Corsair CMH64GX5M2Y6400C32 64GB (2x32GB) DDR5 Vengeance RGB Desktop RAM Kit lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.

Who is the Corsair CMH64GX5M2Y6400C32 64GB (2x32GB) DDR5 Vengeance RGB Desktop RAM Kit best suited to?

Best suited to: Intel or validated AM5 builds wanting 64GB, fast timings, and RGB lighting.

What are the drawbacks of the Corsair CMH64GX5M2Y6400C32 64GB (2x32GB) DDR5 Vengeance RGB Desktop RAM Kit?

Not the best fit for: AM5 gaming builds on boards not validated past 6000-6400MT/s, see CMH64GX5M2B6000C30 instead; Buyers who don't want RGB, see the non-RGB CMK64GX5M2B6400C32.

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