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Two black DDR5 sticks with matte heat spreaders side by side

Crucial

Crucial CP2K16G64C32U5B 32GB (2 x 16GB) DDR5 6400 desktop RAM

SKU CH-HB8Z-NDTK5 MPN CP2K16G64C32U5B

Dual-channel 32GB DDR5 kit running at 6400MT/s with CL32 latency and 1.35V operation

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL32
  • Timing32-40-40-103
  • Voltage1.35V
  • ECCNo

Capacity 32GB (2 x 16GB)

Speed DDR5 6400 (PC5 51200)

CAS Latency|Color CL32Black

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Low-latency CL32 timing speeds up game response
  • 6400 MT/s DDR5 bandwidth handles multitasking smoothly
  • Dual-channel 2 x 16 GB kit maximises throughput
  • 35 V operation keeps thermals in check
  • Intel XMP 3.0 and AMD EXPO profiles simplify setup

32GB DDR5 6400 dual-channel kit

This 32GB kit contains two 16GB unbuffered DDR5 modules rated at 6400 MT/s with CL32 timings. It is built for desktop systems that support Intel XMP 3.0 or AMD EXPO profiles. The black heat spreader helps manage thermals during extended sessions.

Sustained load behaviour at 1.35V

At the specified 1.35V the modules maintain their 32-40-40-103 timings without dropping to lower speeds. The dual-channel layout keeps bandwidth stable when all cores are active, so frame rates stay consistent during long gaming or streaming workloads.

Deciding spec: CL32 at DDR5 6400

The combination of 6400 MT/s data rate and CAS latency 32 determines whether this kit matches your platform's sweet spot. If your motherboard and CPU can run that frequency at CL32, the kit delivers its rated low-latency performance; otherwise it will fall back to slower JEDEC defaults.

Points forts

  • Low-latency CL32 timing speeds up game response
  • 6400 MT/s DDR5 bandwidth handles multitasking smoothly
  • Dual-channel 2 x 16 GB kit maximises throughput
  • 35 V operation keeps thermals in check
  • Intel XMP 3.0 and AMD EXPO profiles simplify setup

Caractéristiques

BrandCrucial
SeriesPro Overclocking
ModelCP2K16G64C32U5B
Part NumberCP2K16G64C32U5B
Capacity32GB (2 x 16GB)
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL32
Timing32-40-40-103
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered / Unregistered
Multi-channel KitDual Channel Kit
BIOS/Performance ProfileIntel XMP 3.0 and AMD EXPO
ColorBlack
Heat SpreaderYes
FeaturesSecure your tactical advantage with the low-latency performance of Crucial DDR5 Pro OC Gaming DRAM, available in speeds up to 6,400MT/s, with a CAS latency of 32. This high-bandwidth, low-latency UDIMM memory solution helps you dominate the competition in seamless AAA gaming, while streaming, chatting on Discord and uploading your latest gameplay reel. Fueled by Micron innovation, DDR5 Pro OC Gaming DRAM supports both Intel XMP 3.0 and AMD EXPO2 on the same module for the versatile compatibility that DIYers crave, while offering the responsiveness that elite performance users require
Recommend UseAMD & Intel Compatible / AMD 500 Series / AMD 600 Series / AMD B550 / AMD B650 / AMD B850 / AMD Ryzen Compatible / AMD X570 / High Performance or Gaming Memory / Intel 600 Series / Intel 700 Series / Intel B560 / Intel B660 / Intel B670 / Intel B760 / Intel Compatible / Intel Z590 / Intel Z690 / Intel Z790 / Intel Z890
LED ColorNone
Poids d’expédition0.09 kg
Dimensions du colis184 × 95 × 6 mm

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

Will this 32 GB kit run at 6400 MT/s on an AMD B650 board with a Ryzen CPU?

The kit carries an AMD EXPO profile for 6400 MT/s at CL32-40-40-103 and 1.35 V, so a B650 board with a Ryzen processor can enable that speed in BIOS.

Does the motherboard need to support Intel XMP 3.0 to reach the rated speed?

Yes, on Intel 600- or 700-series boards the XMP 3.0 profile sets 6400 MT/s, CL32 timings and 1.35 V automatically once enabled.

Can I add a second identical kit later for 64 GB total?

The modules are unbuffered, non-ECC UDIMMs; adding a second matching kit is possible if the motherboard has four slots and supports the combined load at 6400 MT/s.

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