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Two white DDR5 memory modules with aluminum heat spreaders

Crucial

Crucial CP2K16G64C38U5W 32GB (2x16GB) DDR5 6400 desktop RAM

SKU CH-XPJ5-Q4275 MPN CP2K16G64C38U5W

32GB dual-channel DDR5 kit at 6400MHz with CL38 latency and 1.35V operation, featuring white heat spreaders and Intel XMP 3.0 plus AMD EXPO profiles for easy overclocking

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • CAS latencyCL38
  • Rated voltage1.35 V
  • Buffer typeUnbuffered / Unregistered
  • Kit configurationDual Channel Kit

Capacity 32GB (2 x 16GB)

Speed DDR5 6400 (PC5 51200)

CAS Latency · Color CL38 · White

  • DDR5 6400 speed raises frame rates in demanding games
  • CL38 latency cuts response time for smoother gameplay
  • 35 V operation keeps thermals low under load
  • Intel XMP 3.0 and AMD EXPO profiles enable one-click overclocking
  • White aluminum heat spreader adds style while cooling modules

Pro Overclocking DDR5 kit

This 32 GB dual-channel kit delivers DDR5 6400 speed at CL38 latency and 1.35 V. Two 16 GB unbuffered modules carry Intel XMP 3.0 and AMD EXPO profiles for automatic configuration. A white aluminium heat spreader keeps temperatures in check during heavy workloads.

Gamers and builders seeking high frequency

The combination of 6400 MT/s data rate and low CAS 38 suits systems that benefit from fast memory throughput. Users who need ECC error correction or registered modules should select a different product line.

Speed grade decides compatibility

The DDR5 6400 (PC5 51200) rating is the single specification that determines whether this kit matches your motherboard and CPU memory controller. Verify that your platform supports this exact data rate before purchase.

How it compares

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

Price $324.99
Pricier than about 77% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB (2 × 16 GB)
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $10.16 per GB
Pricier than about 67% 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 Overclocking
Model nameCP2K16G64C38U5 W
Part numberCP2K16G64C38U5 W
Total capacity32 GB (2 × 16 GB)
Product colorWhite
Performance
Rated speedDDR5 6400 (PC5 51200)
Memory
CAS latencyCL38
ECC supportNo
Buffer typeUnbuffered / Unregistered
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0 and AMD EXPO
Heat spreaderYes
Power
Rated voltage1.35 V
Size & build
Shipping weight0.09 kg
Package size182 × 135 × 13 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

5 more in the same range

Questions about this item

Does this 32GB kit require a motherboard that supports DDR5 6400 with Intel XMP 3.0 or AMD EXPO profiles?

Yes, the modules are rated for DDR5 6400 CL38 at 1.35V and include both Intel XMP 3.0 and AMD EXPO profiles, so a compatible motherboard BIOS is needed to reach the rated speed.

Will the white aluminum heat spreader fit under a large CPU air cooler?

The kit uses a low-profile aluminum heat spreader in white; clearance depends on your specific cooler, so check the cooler’s RAM-height specification before installing.

Is this memory unbuffered non-ECC and suitable for a standard desktop build?

Correct, it is an unbuffered, non-ECC dual-channel kit designed for consumer desktop platforms.

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