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Two gray DDR5 memory modules with heat spreaders

Corsair

Corsair CMK64GX5M2D5600Z40 64GB (2×32GB) DDR5 5600 desktop RAM

SKU CH-5Z4A-7C0R1 MPN CMK64GX5M2D5600Z40

64 GB DDR5 desktop kit, two 32 GB modules at 5600 MT/s CL40 1.25 V with gray 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

Capacity 64GB (2 x 32GB)

Speed DDR5 5600 (PC5 44800)

CAS Latency CL40

Color Gray Dual

  • 64 GB total capacity from two 32 GB modules
  • DDR5 5600 speed rated at PC5 44800 bandwidth
  • CL40 CAS latency with 40-44-44-90 timing profile
  • 25 V operating voltage for efficient power draw
  • AMD EXPO and Intel XMP 3.0 profiles for automatic configuration

64 GB dual-channel DDR5 kit

This 64 GB kit contains two 32 GB modules built for desktop systems that support DDR5. It targets users who need high capacity for content creation, heavy multitasking or gaming on modern AMD and Intel platforms.

CL40 latency at DDR5 5600

The modules run at DDR5 5600 with a CAS latency of CL40 and timings of 40-44-44-90. This latency figure is the primary spec that determines whether the kit matches your CPU and motherboard requirements.

Low voltage with integrated heat spreader

Operating at 1.25 V, the memory draws modest power for its speed class. The aluminium heat spreader dissipates heat quietly without active cooling, keeping thermals stable during sustained workloads.

How it compares

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

Price $719.99
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 $11.25 per GB
Pricier than about 72% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance
Model nameCMK64GX5M2D5600Z40
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 size152 × 91 × 10 mm
Compatibility
Recommended forAMD & Intel Compatible / AMD 600 Series / AMD A520 / 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 lightingNone

Other versions of this model

5 more in the same range

Questions about this item

How does the DDR5 5600 speed with CL40 latency affect real-world desktop performance?

At 5600 MT/s and CL40 the modules deliver high data throughput for multi-core CPUs, reducing render and compile times while the low 1.25 V voltage keeps thermals manageable.

What does the PC5 44800 label tell me about the memory interface and its practical limit?

PC5 44800 identifies the DDR5 5600 transfer rate; the dual-channel kit reaches that speed when the motherboard enables the XMP 3.0 or EXPO profile.

Will the gray heat-spreader modules fit a standard 288-pin DDR5 slot without clearance issues?

Yes, the 288-pin DIMMs use a low-profile Vengeance heat spreader designed to clear most CPU coolers in a typical ATX build.

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