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Two black DDR5 memory modules with RGB light bars

Corsair

Corsair CMH64GX5M2B6400C42 Vengeance RGB 64GB (2×32GB) DDR5 6400 CL42 desktop RAM

SKU CH-3ECG-W0H0E MPN CMH64GX5M2B6400C42

DDR5 desktop memory kit delivering 64GB across two 32GB modules at 6400 speed with CL42 timing and ten-zone RGB lighting

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • CAS latencyCL42
  • Memory timings42-52-52-104
  • Rated voltage1.35 V
  • Kit configurationDual Channel Kit

Speed DDR5 6400 (PC5 51200)

Cas Latency CL42 · Black RGB

  • 64 GB capacity from two 32 GB modules for heavy multitasking
  • DDR5 6400 speed with CL42 latency for responsive data access
  • Intel XMP 3.0 profile enables one-click overclock setup
  • Ten-zone RGB lighting per module creates vivid system illumination
  • 35 V operation with black heat spreader keeps thermals controlled

64GB Dual-Channel DDR5 Kit

This Corsair Vengeance RGB kit provides 64GB of DDR5 memory across two 32GB modules. It is built for desktop users who need high capacity for gaming, content creation or heavy multitasking. The modules run at 6400 MT/s with a CL42 latency and 1.35V operating voltage.

Upgrade from Lower-Capacity or Slower DDR5

The 2×32GB layout replaces smaller dual-channel kits or mismatched modules that limit total bandwidth. Moving to this kit is worthwhile when workloads exceed 32GB or when a platform supports XMP 3.0 profiles on 600, 700 or 800 series chipsets such as Z690, Z790 or Z890. The 42-52-52-104 timings deliver a measurable step up from entry-level DDR5 speeds.

Sustained Load Behaviour with RGB Lighting

The integrated heat spreader helps maintain stable operation during extended sessions by moving heat away from the DRAM. Ten-zone RGB lighting runs independently of memory load, so illumination stays consistent even when the system is under continuous pressure. XMP 3.0 profiles stored in iCUE allow the memory to hold its rated 6400 speed without manual retuning over long periods.

How it compares

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

Price $834.99
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 $13.05 per GB
Pricier than about 80% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance RGB
Model nameCMH64GX5M2B6400C42
Part numberCMH64GX5M2B6000C30CMH64GX5MCMH64GX5M2B6400C42
Total capacity64 GB (2 × 32 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR5 6400 (PC5 51200)
Memory
CAS latencyCL42
Memory timings42-52-52-104
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderYes
Power
Rated voltage1.35 V
Size & build
Shipping weight0.14 kg
Package size163 × 133 × 13 mm
Compatibility
Recommended forHigh Performance or Gaming Memory / Intel 600 Series / Intel 700 Series / Intel 800 Series / Intel B660 / Intel B670 / Intel B760 / Intel H770 / Intel Z690 / Intel Z790 / Intel Z890
More details
LED lightingRGB

Other versions of this model

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Questions about this item

Will the 288-pin DDR5 modules with the Vengeance RGB heat spreader clear my CPU air cooler?

The modules use a standard 288-pin DDR5 form factor with an integrated aluminium heat spreader; verify your cooler's specified RAM clearance against the module height before installing.

How do I enable the rated 6400 MT/s speed and CL42-52-52-104 timings on my Intel 600, 700 or 800 series motherboard?

Enter the BIOS, locate the Intel XMP 3.0 profile for this kit, select Profile 1, save and exit; the common mistake is leaving the board on Auto or JEDEC defaults instead of activating the XMP profile.

What maintenance does the ten-zone RGB lighting and heat spreader need over time?

Dust the light bar and heat spreader fins periodically with compressed air or a soft brush; the LEDs are sealed and not user-serviceable, so no further replacement is required.

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