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Two black aluminium DDR5 memory sticks with RGB lighting

Corsair

Corsair Dominator Platinum RGB CMT64GX5M2B6600C32 64GB desktop RAM

SKU CH-ZG2J-FZF0F MPN CMT64GX5M2B6600C32

Dual-channel 64 GB DDR5 kit running at 6600 MT/s with CL32 latency and onboard voltage regulation for Intel XMP 3.0 platforms

  • 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
  • 64 GB dual-channel kit readies high-core-count CPUs for heavy workloads
  • DDR5 6600 speed with CL32 latency feeds data to the processor faster
  • Tight 32-39-39-76 timings reduce wait states in demanding applications
  • 40 V operation enables stable overclocking via Intel XMP 3.0 profiles
  • Patented DHX cooling draws heat from both ICs and PCB ground plane

64GB DDR5 dual-channel kit

This Corsair Dominator Platinum RGB kit delivers 64GB of DDR5 memory across two 32GB modules. It targets Intel 700 Series platforms that can run DDR5 at high data rates. The aluminium heat spreader and black finish suit high-end desktop builds.

Capacity and headroom

The 64GB capacity handles heavy multitasking, content creation and large datasets without paging. At DDR5 6600 with timings of 32-39-39-76 and a CAS latency of 32, bandwidth is high for sustained workloads. The 1.40V operating voltage and XMP 3.0 profile provide headroom for manual tuning, though stability will depend on the memory controller and cooling.

Onboard voltage regulation and iCUE control

Onboard voltage regulation moves power management onto the modules, allowing finer adjustments through Corsair iCUE software. Patented DHX cooling targets both the memory ICs and the PCB ground plane to manage thermals during extended loads. RGB lighting is configurable in the same software suite.

How it compares

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

Price $975.99
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 $15.25 per GB
Pricier than about 87% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineDominator Platinum RGB
Model nameCMT64GX5M2B6600C32
Part numberCMT64GX5M2B6600C32
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 spreaderAluminum
Power
Rated voltage1.4 V
Size & build
Shipping weight1.77 kg
Package size155 × 147 × 6 mm
Compatibility
Recommended forIntel 700 Series
More details
LED lightingRGB

Questions about this item

Will this kit run at 6600 MT/s on my Intel 700-series motherboard without manual tuning?

Yes, the kit includes an Intel XMP 3.0 profile that sets 6600 MT/s, CL32 timings and 1.40 V automatically when enabled in the BIOS.

Do I need to populate all four DIMM slots to get 64 GB?

No, the package contains two 32 GB modules, so 64 GB is achieved with just two slots in dual-channel mode.

Does the aluminium heatspreader and DHX cooling fit under large CPU air coolers?

The Dominator Platinum RGB modules are 55 mm tall; check your cooler’s clearance spec before ordering.

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