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Square green processor package with gold contacts and silver heat spreader, SP5 socket form factor

AMD

AMD EPYC 9555P 100-000001523 64-core 3.2 GHz server processor

SKU CH-1NQM-Z1J44 MPN 100-000001523

64-core server CPU with 3.2 GHz base, 4.4 GHz boost, 256 MB L3 cache, 128 PCIe 5.0 lanes, 12-channel DDR5 6400 support and 360 W TDP

  • NameEPYC 9555P
  • CPU Socket TypeSocket SP5
  • # of Cores64-Core
  • # of Threads128
  • Operating Frequency3.2 GHz
  • Max Turbo Frequency4.4 GHz

Option EPYC 9555P

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  • 64 cores and 128 threads handle heavy parallel workloads
  • 2 GHz base clock with 4.4 GHz max turbo for responsive compute
  • 256 MB L3 cache reduces latency on large datasets
  • 12-channel DDR5 6400 memory controller feeds high bandwidth needs
  • 128 PCIe 5.0 lanes enable extensive I/O expansion

64-Core EPYC 9555P for dense compute

The AMD EPYC 9555P is a 64-core server processor running at 3.2 GHz base and 4.4 GHz max turbo with 128 threads. It targets data-centre operators running AI inference, cloud services or enterprise workloads that demand high core density in a single socket. The 256 MB L3 cache supports large working sets without frequent memory access.

Socket SP5 platform with 12-channel DDR5

The CPU fits the SP5 socket and provides 12 memory channels running DDR5 at 6400 MT/s. It also exposes 128 lanes of PCI Express 5.0 for GPU accelerators, high-speed networking or storage arrays. No cooling device is included, so a compatible heatsink or liquid loop must be sourced separately for the 360 W thermal envelope.

360 W TDP requires robust cooling

At the rated 360 W thermal design power the processor will move significant heat under sustained load. A server chassis with high-airflow fans or a liquid-cooling distribution unit is needed to keep temperatures stable. Acoustic output will depend entirely on the chosen cooler and chassis fan curves rather than the processor itself.

Points forts

  • 64 cores and 128 threads handle heavy parallel workloads
  • 2 GHz base clock with 4.4 GHz max turbo for responsive compute
  • 256 MB L3 cache reduces latency on large datasets
  • 12-channel DDR5 6400 memory controller feeds high bandwidth needs
  • 128 PCIe 5.0 lanes enable extensive I/O expansion

Caractéristiques

BrandAMD
SeriesAMD EPYC 9005
NameEPYC 9555P
Model100-000001523
CPU Socket TypeSocket SP5
# of Cores64-Core
# of Threads128
Operating Frequency3.2 GHz
Max Turbo Frequency4.4 GHz
L3 Cache256MB
64-Bit SupportYes
Integrated Memory Controller SpeedDDR5 6400
Memory Channel12 Channel
PCI Express Revision5.0
Max # of PCI Express Lanes128
Thermal Design Power360W
Cooling DeviceCooling device not included - Processor Only
Poids d’expédition0.23 kg
Dimensions du colis127 × 127 × 38 mm

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Questions sur cet article

At what thermal design power does the EPYC 9555P hit its limit under sustained load?

The EPYC 9555P has a 360W thermal design power, which is the sustained power limit the cooling solution must handle continuously.

How much heat and noise should I expect from the EPYC 9555P running all day at 360W?

At 360W TDP the processor will generate substantial heat; a server-grade cooler rated for 360W or higher is required, and fan noise will depend entirely on that cooler and chassis airflow.

What memory and motherboard must I already have for the EPYC 9555P to work?

You need a motherboard with Socket SP5, 12-channel DDR5-6400 memory support, and a BIOS that recognises the 5th Gen EPYC 9005 series.

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