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Two black DDR5 memory modules with heat spreaders

Crucial

Crucial Pro CP2K64G56C46U5 128GB (2x64GB) DDR5 5600 CL46 desktop RAM

SKU CH-2PV5-GP3RS MPN CP2K64G56C46U5

A 128 GB dual-channel DDR5 kit running at 5600 MT/s with CL46 latency and 1.10 V, using Micron 64 GB density modules that downclock to 5200 or 4800 MT/s and support Intel XMP 3.0 plus AMD EXPO

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeUnbuffered / Unregistered
  • Kit configurationDual Channel Kit

Capacity 128GB (2 x 64GB)

Speed DDR5 5600 (PC5 44800)

CAS Latency CL46

  • 128 GB dual-channel kit enables heavy multitasking and large-project workflows
  • DDR5 5600 speed with CL46 latency delivers high bandwidth for demanding applications
  • 10 V operation reduces power draw while maintaining 5600 MT/s performance
  • Intel XMP 3.0 and AMD EXPO profiles give one-click optimised settings on supported platforms
  • Black heat spreader aids thermal management during sustained workloads

128GB DDR5 5600 dual-channel kit

This Crucial Pro kit delivers 128GB across two 64GB unbuffered DDR5 modules rated at 5600 MT/s with CL46 latency and 1.10V operation. It includes Intel XMP 3.0 and AMD EXPO profiles for automatic configuration on supporting platforms. A black heat spreader is fitted to each module.

Suited to high-capacity desktop workloads

The 128GB capacity serves users running virtual machines, large-scale rendering, heavy multitasking or memory-bound data workloads. Builders who need ECC error correction, registered modules or lower-density kits should look at other products.

64GB per module density

Each stick provides 64GB in a single rank, a density that requires a motherboard and CPU memory controller validated for 64GB DDR5 modules. Verify that your platform supports this module density before purchase.

How it compares

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

Price $1,209.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 93% of the 3,251 comparable items (median 16 GB).
Price per GB $9.45 per GB
Pricier than about 65% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCrucial
Product linePro
Model nameCP2K64G56C46U5
Part numberCP2K64G56C46U5
Total capacity128 GB (2 × 64 GB)
Product colorBlack
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered / Unregistered
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0 and AMD EXPO
Heat spreaderYes
Power
Rated voltage1.1 V
Size & build
Shipping weight0.09 kg
Package size152 × 102 × 5 mm
Compatibility
Recommended forCompatible with 12th Gen Intel® Core™ or AMD RyzenTM 7000 Series Desktop CPUs and above
More details
LED lightingNone

Other versions of this model

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Questions about this item

Will this kit run at 5600 MHz on a board that only supports 5200 MHz or 4800 MHz?

The modules downclock automatically to the highest speed the platform allows, so they operate at 5200 MHz or 4800 MHz if the system cannot run 5600 MHz.

Does the kit need XMP 3.0 or EXPO enabled in the BIOS to reach 5600 MHz?

Yes, the rated 5600 MHz speed requires enabling the Intel XMP 3.0 or AMD EXPO profile in the BIOS; otherwise the modules run at the platform default speed.

Is this memory compatible with a Ryzen 7000 Series desktop CPU?

The kit is designed for 12th Gen Intel Core or Ryzen 7000 Series and newer desktop processors.

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