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Two gray DDR5 modules with RGB lighting and heat spreaders

Corsair

Corsair CMH64GX5M2D5600Z40 64GB (2 x 32GB) DDR5 5600 CL40 desktop RAM

SKU CH-7BJS-9BKCZ MPN CMH64GX5M2D5600Z40

64 GB dual-channel DDR5 kit running at 5600 MT/s with CL40 timing, 1.25 V operation and RGB heat spreaders

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL40
  • Memory timings40-44-44-90
  • Rated voltage1.25 V
  • Kit configurationDual Channel Kit

Speed DDR5 5600 (PC5 44800)

Cas Latency CL40 · Gray RGB EXPO

  • 64GB dual-channel kit equips high-core-count CPUs for heavy multitasking
  • DDR5 5600 speed feeds data to Ryzen and Intel processors without bottleneck
  • CL40 40-44-44-90 timings keep latency low at high frequency
  • 25V operation reduces power draw while maintaining stability
  • Onboard voltage regulation enables finer overclocking control via iCUE software

Capacity and compatibility

This Corsair Vengeance kit delivers 64 GB of DDR5 memory across two 32 GB modules running at 5600 MT/s with CL40 timings. It targets AMD Ryzen and Intel platforms that support DDR5 and is validated for AMD 600, 650, 670, 850, 870 series and Intel 600, 700, 800 series chipsets. Gray heat spreaders cover both sticks.

Build integration

The dual-channel kit fits standard 288-pin DIMM slots and operates at 1.25 V with onboard voltage regulation for stable XMP 3.0 and EXPO profiles via iCUE software. RGB lighting adds visual customisation without extra headers. No additional cooling hardware is required beyond normal case airflow.

Thermals and power

The integrated heat spreader dissipates heat from the memory ICs during sustained workloads keeping temperatures in check. At the rated 1.25 V the modules draw modest power and run silently because they have no moving parts. Typical gaming or rendering sessions stay well within thermal limits.

How it compares

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

Price $688.99
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 $10.77 per GB
Pricier than about 70% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance
Model nameCMH64GX5M2D5600Z40
Total capacity64 GB (2 × 32 GB)
Product type288-Pin PC RAM
Product colorGray
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL40
Memory timings40-44-44-90
Kit configurationDual Channel Kit
Memory profilesAMD EXPO / Intel XMP 3.0 / Intel XMP 3.0 and AMD EXPO
Heat spreaderYes
Power
Rated voltage1.25 V
Size & build
Shipping weight0.11 kg
Package size165 × 135 × 10 mm
Compatibility
Recommended forAMD & Intel Compatible / AMD 600 Series / AMD B650 / AMD B850 / AMD Ryzen Compatible / AMD X670 / AMD X870 / High Performance or Gaming Memory / Intel 600 Series / Intel 700 Series / Intel 800 Series / Intel B560 / Intel B660 / Intel B670 / Intel B760 / Intel Compatible / Intel H770 / Intel Z690 / Intel Z790 / Intel Z890
More details
LED lightingRGB

Other versions of this model

5 more in the same range

Questions about this item

Will the CL40 timing hold steady when the kit is pushed hard for hours?

The Vengeance DDR5 5600 modules run at CL40 with 40-44-44-90 timings at 1.25V, and the onboard voltage regulation keeps the profile stable during extended workloads.

How much heat and noise should I expect from the gray heat-spreader under all-day load?

The aluminum heat spreader passively dissipates heat from the DDR5 5600 ICs, so the kit runs silently; case airflow handles the thermal load without extra fan noise.

Which motherboard feature must already be present to run this 64 GB kit at its rated 5600 speed?

Your board needs an AMD EXPO or Intel XMP 3.0 BIOS profile to automatically configure the DDR5 5600 CL40 1.25V setting for the dual-channel kit.

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