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Two black DDR5 UDIMM modules with low-profile heat spreaders, 64GB kit

Crucial

Crucial CP2K32G56C46U5 Pro 64GB (2 x 32GB) DDR5 5600 desktop RAM

SKU CH-S0TB-5E8BY MPN CP2K32G56C46U5

Dual-channel 64GB DDR5 kit with two 32GB modules running at 5600MHz CL46, Intel XMP 3.0 and AMD EXPO ready, downclock capable for 5200MT/s or 4800MT/s systems

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeUnbuffered / Unregistered
  • Kit configurationDual Channel Kit

Capacity 64GB (2 x 32GB)

Speed DDR5 5600 (PC5 44800)

CAS Latency CL46

  • High capacity 64GB kit handles heavy multitasking with two 32GB modules
  • DDR5 5600 speed delivers high bandwidth for demanding workloads
  • Intel XMP 3.0 and AMD EXPO profiles enable one-click performance setup
  • Downclocks to 5200MT/s or 4800MT/s for broad platform compatibility
  • Black heat spreader keeps modules cool during sustained loads

What this kit is

The Crucial Pro 64GB kit contains two 32GB DDR5 modules rated at 5600MT/s with CL46 latency and a 1.10V operating voltage. It is an unbuffered dual-channel UDIMM kit with black heat spreaders and no LEDs, intended for desktop systems that accept DDR5 memory.

What to check before ordering

Your motherboard must support DDR5 UDIMMs and provide 288-pin slots. The kit runs at 5600MT/s via Intel XMP 3.0 or AMD EXPO profiles, and it will downclock to 5200MT/s or 4800MT/s if the platform only supports those speeds. Verify that your CPU and board enable the chosen profile in BIOS.

Who this suits and who should look elsewhere

This kit suits builders using 12th or 13th Gen Intel Core or Ryzen 7000 Series desktop CPUs who want 64GB of plug-and-play performance with XMP 3.0 and EXPO support. Users who need ECC error correction, registered modules, or speeds beyond 5600MT/s should consider other products.

How it compares

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

Price $510.99
Pricier than about 85% 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 $7.98 per GB
Pricier than about 58% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameCrucial
Product linePro
Model nameCP2K32G56C46U5
Part numberCP2K32G56C46U5
Total capacity64 GB (2 × 32 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 weight0.18 kg
Package size178 × 127 × 10 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

3 more in the same range

Questions about this item

Will this kit run at its rated speed on a 12th Gen Intel Core processor?

Yes, the kit is validated for 12th and 13th Gen Intel Core desktop CPUs and supports Intel XMP 3.0 for automatic configuration to 5600MT/s.

Can I use this memory in a system that only supports DDR5 4800 or 5200?

The modules are downclock capable and will operate at 4800MT/s or 5200MT/s if the motherboard or CPU does not support the full 5600MT/s speed.

What do I need to enable the rated 5600MT/s speed?

A motherboard with DDR5 slots that supports Intel XMP 3.0 or AMD EXPO, plus a compatible 12th/13th Gen Intel Core or Ryzen 7000 series desktop CPU, will allow the profile to load at 1.10V.

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