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Two black DDR5 sticks with low-profile aluminium heat spreaders

Corsair

Corsair CMK64GX5M2B6400C32 Vengeance 64GB (2 x 32GB) DDR5 6400 CL32 desktop RAM

SKU CH-X3X9-MYXXC MPN CMK64GX5M2B6400C32

A 64 GB dual-channel DDR5 kit running at 6400 MT/s with CL32 timings and a black heat spreader

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • CAS latencyCL32
  • Memory timings32-40-40-84
  • Rated voltage1.4 V
  • Kit configurationDual Channel Kit

Capacity 64GB (2 x 32GB)

Speed DDR5 6400 (PC5 51200)

CAS Latency CL32

Color Black

  • 64 GB capacity for demanding workloads with two 32 GB modules
  • DDR5 6400 speed delivers high data throughput for modern CPUs
  • CL32 latency with 32-40-40-84 timings for responsive performance
  • Intel XMP 3.0 profile enables one-click overclocking setup
  • Black heat spreader aids thermal management during sustained loads

Capacity and purpose

This Corsair Vengeance kit provides 64 GB of DDR5 desktop memory in a dual-channel pair of 32 GB modules. It targets high-performance and gaming builds that benefit from large capacity and fast data rates.

DDR5 6400 interface limits

The modules run at DDR5 6400 (PC5 51200) with timings of 32-40-40-84 and a CAS latency of CL32 at 1.40 V. The rated speed and voltage require motherboard and CPU support for the DDR5 6400 data rate; otherwise the kit will operate at the platform's default JEDEC speed.

Compatibility checklist

Verify that your motherboard supports DDR5 memory, 288-pin DIMM slots, and Intel XMP 3.0 profiles for automatic configuration. Confirm the CPU and chipset can handle the 6400 MT/s data rate and 1.40 V operating voltage, and ensure physical clearance for the black heat spreader.

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
Model nameCMK64GX5M2B6400C32
Part numberCMK64GX5M2B6400C32
Total capacity64 GB (2 × 32 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR5 6400 (PC5 51200)
Memory
CAS latencyCL32
Memory timings32-40-40-84
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderYes
Power
Rated voltage1.4 V
Size & build
Shipping weight0.03 kg
Package size156 × 85 × 13 mm
Compatibility
Recommended forHigh Performance or Gaming Memory / Intel 500 Series / Intel 600 Series / Intel B660 / Intel Compatible / Intel Z590 / Intel Z690
More details
LED lightingNone

Other versions of this model

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Questions about this item

Should I choose the 64GB dual-channel kit or a different capacity for my build?

This kit provides 64GB total in two 32GB modules running dual-channel, which suits high-performance or gaming workloads on Intel 500 series, 600 series, Z590, Z690 or B660 platforms.

What does the DDR5 6400 speed mean once the memory is installed in my system?

The modules run at 6400 MT/s with timings of 32-40-40-84 at 1.40V, delivering the rated bandwidth when the Intel XMP 3.0 profile is enabled in the BIOS.

Does the 288-pin DDR5 interface limit the 6400 speed in practice?

The 288-pin DDR5 form factor supports the 6400 MT/s data rate and PC5 51200 bandwidth; actual throughput depends on the memory controller and XMP 3.0 profile activation.

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