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Two gray DDR5 memory modules with low-profile heat spreaders

Corsair

Corsair CMK32GX5M2B6400Z32 32GB (2×16GB) DDR5 6400 CL32 desktop RAM

SKU CH-744P-9G8KY MPN CMK32GX5M2B6400Z32

Dual-channel 32GB kit of two 16GB DDR5 modules at 6400 MT/s with CL32 timing and 1.40V operation

  • Capacity32GB (2 x 16GB)
  • Type288-Pin PC RAM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL32
  • Timing32-40-40-40-84
  • Voltage1.40V
  • 32 GB dual-channel kit equips modern CPUs with high bandwidth
  • DDR5 6400 speed feeds data to many-core processors for responsive workloads
  • CL32 32-40-40-40-84 timings keep latency low at high frequency
  • 40 V operation with onboard regulation enables stable XMP 3.0 and EXPO profiles
  • Gray aluminum heat spreader dissipates heat without adding LED lighting

Vengeance DDR5 6400 dual-channel kit

This Vengeance DDR5 6400 kit delivers 32 GB across two 16 GB unbuffered modules. It targets enthusiasts building on Intel 600- or 700-series platforms and AMD 570- or 670-series platforms who need high bandwidth for gaming or content creation. The rated 1.40 V operation and CL32-40-40-40-84 timings are set for stable high-frequency performance.

Installation via Intel XMP 3.0 and AMD EXPO

Installation follows the standard 288-pin DIMM procedure and the kit includes gray heat spreaders that clear most CPU coolers. The onboard voltage regulation allows finer tuning through Corsair iCUE software, while the dual XMP 3.0 and EXPO profiles let the firmware configure speed and timings automatically. Common issues arise only when the motherboard BIOS lacks the latest microcode for 6400 MT/s operation.

32 GB capacity for modern workloads

The 32 GB total handles current AAA titles, heavy multitasking and moderate video editing without paging. Workloads that exceed this capacity — large-scale 3D rendering, virtual-machine clusters or extensive RAM disks — will require additional kits or higher-density modules. Dual-channel topology maximises throughput on supported consumer platforms.

Highlights

  • 32 GB dual-channel kit equips modern CPUs with high bandwidth
  • DDR5 6400 speed feeds data to many-core processors for responsive workloads
  • CL32 32-40-40-40-84 timings keep latency low at high frequency
  • 40 V operation with onboard regulation enables stable XMP 3.0 and EXPO profiles
  • Gray aluminum heat spreader dissipates heat without adding LED lighting

Specifications

BrandCORSAIR
SeriesVengeance
ModelCMK32GX5M2B6400Z32
Capacity32GB (2 x 16GB)
Type288-Pin PC RAM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL32
Timing32-40-40-40-84
Voltage1.40V
ECCNo
Buffered/RegisteredUnbuffered / Unregistered
Multi-channel KitDual Channel Kit
BIOS/Performance ProfileIntel XMP 3.0 and AMD EXPO
ColorGray
Heat SpreaderYes
FeaturesWelcome to the Cutting-Edge of Performance: Push the limits of your system like never before with DDR5 memory, unlocking even faster frequencies, greater capacities, and better performance than previous generations.
Do it All, and Do it Faster: As modern CPUs feature more and more cores, the unprecedented speed of DDR5 ensures your high-end CPU gets data quickly, enabling faster processing, rendering, and buffering than ever before.
Onboard Voltage Regulation: Makes for easier, more finely-tuned, and more stable overclocking through CORSAIR iCUE software than previous generation moth
Recommend UseAMD & Intel Compatible / AMD Ryzen Compatible / AMD X570 / AMD X670 / High Performance or Gaming Memory / Intel 600 Series / Intel 700 Series / Intel B660 / Intel B670 / Intel B760 / Intel Compatible / Intel Z690 / Intel Z790
LED ColorNone
Shipping weight0.09 kg
Package size152 × 91 × 13 mm

Questions about this item

Will this kit run at 6400 MT/s on a Ryzen system without manual tuning?

The kit supports AMD EXPO, so a compatible Ryzen motherboard can load the 6400 MT/s profile automatically in BIOS.

Does the motherboard need to supply 1.40 V for the rated speed?

Yes, the modules are specified at 1.40 V, and the board must provide that voltage for stable operation at 6400 MT/s.

Can I use a single 16 GB module if I only have one free slot?

The kit is sold as a matched 2 × 16 GB pair; using one module alone will work but you lose dual-channel bandwidth.

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