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Two black DDR5 modules with RGB light bars

Corsair

Corsair CMH64GX5M2B6600C32 Vengeance RGB 64GB (2x32GB) DDR5 6600 CL32 desktop RAM

SKU CH-GX81-XP4Q0 MPN CMH64GX5M2B6600C32

Dual-channel 64 GB DDR5 kit at 6600 MT/s with CL32 timings, 1.40 V operation, Intel XMP 3.0 support, and ten-zone RGB lighting per module

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6600 (PC5 52800)
  • CAS latencyCL32
  • Memory timings32-39-39-76
  • Rated voltage1.4 V
  • Kit configurationDual Channel Kit

Speed DDR5 6600 (PC5 52800)

Cas Latency CL32 · Black RGB

  • 64 GB dual-channel capacity for demanding multitasking and content creation
  • DDR5 6600 speed delivers high bandwidth for responsive performance
  • CL32 32-39-39-76 timings provide tight response times at speed
  • Intel XMP 3.0 profile enables one-click overclocking on supported platforms
  • Ten-zone RGB lighting per module with iCUE customisation for personalised aesthetics

Vengeance RGB 64GB DDR5 kit

This Corsair Vengeance RGB kit delivers 64GB of DDR5 memory in a matched pair of 32GB modules. Rated at 6600 MT/s with CL32-39-39-76 timings, it targets enthusiasts who want high bandwidth and low latency for demanding workloads. The black aluminium heat spreader covers ten-zone RGB lighting on each stick.

Dual-channel 288-pin desktop modules

The two modules install in standard DDR5 DIMM slots and run at 1.40V under an Intel XMP 3.0 profile. A dual-channel kit frees the remaining slots on a four-slot board for future expansion while keeping the memory controller load balanced. No extra cables or power connectors are required beyond the slot itself.

iCUE lighting and XMP profile control

Corsair iCUE software drives the ten individually addressable LEDs per module, letting you choose preset effects or build custom colour waves across the panoramic light bar. The same application stores custom XMP 3.0 profiles so you can tune frequency and timings per application without rebooting into the BIOS.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $945.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $14.78 per GB
Pricier than about 86% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance RGB
Model nameCMH64GX5M2B6600C32
Part numberCMH64GX5M2B6600C32
Total capacity64 GB (2 × 32 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR5 6600 (PC5 52800)
Memory
CAS latencyCL32
Memory timings32-39-39-76
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderYes
Power
Rated voltage1.4 V
Size & build
Shipping weight0.14 kg
Package size152 × 119 × 13 mm
Compatibility
Recommended forIntel 700 series and some Intel 600 Series
More details
LED lightingRGB

Other versions of this model

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Questions about this item

Will this 64 GB kit fit my Intel 700 series motherboard?

The kit is built for Intel 700 series and some Intel 600 series boards running DDR5. It uses the standard 288-pin DDR5 form factor and runs at 6600 MT/s with Intel XMP 3.0 profiles.

What does the CL32 32-39-39-76 timing mean for real-world speed?

CL32 is the CAS latency at 6600 MT/s. The full 32-39-39-76 sequence sets row-to-column, row-precharge and row-active delays, giving tight response times at the rated 1.40 V.

Do I need extra software to control the RGB lighting?

The ten-zone RGB on each module is managed through Corsair iCUE, where you can pick presets or build custom effects and save them alongside your XMP 3.0 profiles.

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