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Square green ceramic CPU with gold contacts and silver heat spreader, AM5 socket form factor

AMD

AMD 25PCA-864430-A0R Ryzen 9 9950X server processor 16-core 4.3 GHz

SKU CH-QR3R-90N9B MPN 25PCA-864430-A0R

16-core server processor reaching 5.7 GHz boost with DDR5-5600 support

  • NameRyzen 9 9950X
  • # of Cores16-Core
  • # of Threads32
  • Operating Frequency4.3 GHz
  • FSBUp to 5.7 GHz
  • Integrated Memory Controller SpeedDDR5 5600
  • 16 cores and 32 threads deliver high parallel throughput for server workloads
  • 3 GHz base frequency with 5.7 GHz max boost enables strong single-thread performance
  • DDR5-5600 memory controller supports high-bandwidth system memory
  • Zen 5 architecture provides modern instruction-set efficiency for compute tasks
  • Socket AM5 platform allows PCIe 5.0 connectivity on compatible motherboards

Server processor for high-thread workloads

The AMD Ryzen 9 9950X is a 16-core server CPU built on the Zen 5 architecture. It delivers 32 threads at a 4.3 GHz base frequency with a maximum boost up to 5.7 GHz. This processor targets compute-heavy server tasks such as virtualisation, rendering and database work.

Socket AM5 platform requirement

The single specification that decides compatibility is the Socket AM5 interface. The processor fits only motherboards with this socket and supports DDR5 memory at 5600 MT/s. PCIe 5.0 lanes are available on select boards. A cooler is not included and must be sourced separately.

170 W thermal envelope and memory headroom

The 170 W TDP defines the cooling capacity needed for sustained all-core loads. DDR5-5600 support provides ample bandwidth for memory-bound applications. Workloads requiring more than 16 cores or higher memory speeds will exceed this processor's capabilities.

Points forts

  • 16 cores and 32 threads deliver high parallel throughput for server workloads
  • 3 GHz base frequency with 5.7 GHz max boost enables strong single-thread performance
  • DDR5-5600 memory controller supports high-bandwidth system memory
  • Zen 5 architecture provides modern instruction-set efficiency for compute tasks
  • Socket AM5 platform allows PCIe 5.0 connectivity on compatible motherboards

Caractéristiques

BrandAMD
SeriesRyzen 9 9000 Series
NameRyzen 9 9950X
Model100-100001277
# of Cores16-Core
# of Threads32
Operating Frequency4.3 GHz
FSBUp to 5.7 GHz
Integrated Memory Controller SpeedDDR5 5600
Poids d’expédition0.05 kg
Dimensions du colis146 × 95 × 13 mm

Questions sur cet article

What does the 4.3 GHz base frequency mean for real-world server workloads?

The 4.3 GHz base clock provides a consistent performance floor for all 16 cores during sustained server tasks such as database queries or virtualization, while the processor can boost up to 5.7 GHz on lighter thread counts.

How does the DDR5-5600 memory controller limit practical memory speed?

The integrated controller officially supports DDR5-5600; installed modules will run at this speed unless the motherboard and BIOS enable higher EXPO profiles, which are not guaranteed by the processor specification.

What physical socket and cooling does this 170W processor require?

The CPU uses the Socket AM5 package and has a 170W TDP, so a cooler rated for at least that thermal load must be supplied separately as none is included.

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