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Four black DDR5 modules with RGB light bars

Corsair

Corsair Dominator Platinum RGB CMT64GX5M4B6400C32 64GB (4x16GB) DDR5 6400 CL32 desktop RAM

SKU CH-KBZ7-3ET3R MPN CMT64GX5M4B6400C32

Four 16 GB DDR5 modules run at 6400 MT/s with CL32 timing and RGB lighting

  • Capacity64GB (4 x 16GB)
  • Type288-Pin PC RAM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL32
  • Timing32-40-40-84
  • Voltage1.40V
  • 64 GB total capacity across four 16 GB modules
  • DDR5 6400 speed for high data throughput
  • CL32 CAS latency with 32-40-40-84 timings
  • Quad-channel kit optimised for Intel 700 series platforms
  • Customisable RGB lighting on black aluminium heatspreaders

High-capacity DDR5 kit for Intel 700 Series

This 64GB kit contains four 16GB modules rated at DDR5 6400 with CL32 timings of 32-40-40-84. It is built for desktop systems that support quad-channel operation and XMP profiles at 1.40V. The black Dominator Platinum RGB heatspreaders include addressable lighting.

DDR5 6400 speed limited by motherboard

The rated 6400 MT/s transfer rate and CL32 latency only apply when the platform can run the XMP profile at 1.40V. If the memory controller or motherboard topology cannot sustain that frequency, the modules will fall back to a lower JEDEC speed and looser timings. Quad-channel bandwidth also depends on the CPU providing four channels.

Verify quad-channel support.

Check that your Intel 700 Series motherboard lists this part number on its qualified vendor list and that the BIOS version enables the XMP profile at 1.40V. Confirm the CPU provides four memory channels; dual-channel processors will not use the full kit bandwidth. Ensure the case and cooler clearance accommodate the module height.

Highlights

  • 64 GB total capacity across four 16 GB modules
  • DDR5 6400 speed for high data throughput
  • CL32 CAS latency with 32-40-40-84 timings
  • Quad-channel kit optimised for Intel 700 series platforms
  • Customisable RGB lighting on black aluminium heatspreaders

Specifications

BrandCORSAIR
SeriesDominator Platinum RGB
ModelCMT64GX5M4B6400C32
Part NumberCMT64GX5M4B6400C32
Capacity64GB (4 x 16GB)
Type288-Pin PC RAM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL32
Timing32-40-40-84
Voltage1.40V
Multi-channel KitQuad Channel Kit
ColorBlack
Recommend UseIntel 700 Series
LED ColorRGB
Shipping weight0.43 kg
Package size165 × 161 × 30 mm

Questions about this item

Will this 64GB kit run at 6400 MT/s on a motherboard that only supports JEDEC speeds?

The modules are rated for DDR5 6400 with timings 32-40-40-84 at 1.40V; achieving that frequency requires enabling the XMP profile in the BIOS, otherwise they will fall back to the board's default JEDEC speed.

Does the quad-channel kit work on a dual-channel consumer platform?

The four 16GB modules can be installed on a dual-channel board, populating all four slots, and the memory controller will run them in dual-channel mode while still providing the full 64GB capacity.

Is the 1.40V operating voltage within Intel 700-series specifications?

The kit is validated for Intel 700 series chipsets at 1.40V, which is the tested voltage for the advertised 6400 MT/s CL32 profile.

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