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Square green ceramic processor with gold land-grid array contacts and silver metal heatspreader engraved AMD EPYC 9554

AMD

AMD EPYC 9554 server processor 64-core 3.1 GHz 360 W 100-000000790

SKU CH-X3D1-3ANKD MPN 100-000000790

64-core server CPU with 3.1 GHz base clock, 256 MB L3 cache, 12-channel DDR5-4800 memory controller, 128 PCIe 5.0 lanes and 360 W TDP

  • NameEPYC 9554
  • CPU Socket TypeSocket SP5
  • # of Cores64-Core
  • # of Threads128
  • Operating Frequency3.1 GHz
  • Max Turbo Frequency3.75 GHz

Option EPYC 9554

Show 12 more configurations
  • 64 cores and 128 threads handle heavy parallel workloads
  • 1 GHz base with 3.75 GHz max turbo frequency
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 12-channel DDR5-4800 memory controller feeds all cores
  • 128 PCIe 5.0 lanes support high-bandwidth I/O expansion

64-core EPYC 9554 for dense compute

The AMD EPYC 9554 is a 64-core, 128-thread server processor built for Socket SP5 platforms. It runs at a 3.1 GHz base frequency and reaches 3.75 GHz maximum turbo. With 256 MB of L3 cache and a 360 W thermal design power, it targets high-density virtualization, database and HPC workloads that need maximum core count in a single socket.

DDR5-4800 twelve-channel memory and PCIe 5.0

The integrated memory controller supports twelve channels of DDR5-4800, providing bandwidth for memory-bound applications. The processor also exposes 128 lanes of PCI Express 5.0 for high-throughput accelerators, storage and networking. No cooling device is included, so a compatible SP5 heat-sink or liquid block must be sourced separately.

360 W TDP dictates platform power and cooling

The 360 W thermal design power is the single figure that determines whether a chassis, power supply and cooling solution can support this CPU. Builders who cannot deliver 360 W of sustained cooling or whose platform power budget is lower should select a lower-TDP EPYC model.

Highlights

  • 64 cores and 128 threads handle heavy parallel workloads
  • 1 GHz base with 3.75 GHz max turbo frequency
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 12-channel DDR5-4800 memory controller feeds all cores
  • 128 PCIe 5.0 lanes support high-bandwidth I/O expansion

Specifications

BrandAMD
SeriesAMD EPYC 9004
NameEPYC 9554
Model100-000000790
CPU Socket TypeSocket SP5
# of Cores64-Core
# of Threads128
Operating Frequency3.1 GHz
Max Turbo Frequency3.75 GHz
L3 Cache256MB
64-Bit SupportYes
Integrated Memory Controller SpeedDDR5 4800
Memory Channel12 Channel
PCI Express Revision5.0
Max # of PCI Express Lanes128
Thermal Design Power360W
Cooling DeviceCooling device not included - Processor Only
Shipping weight2.27 kg
Package size25 × 25 × 25 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What cooling is required for the 360 W TDP on the EPYC 9554?

The processor ships without a cooler; you must supply a Socket SP5 heatsink or liquid loop rated for 360 W continuous dissipation.

Which limit appears first when all 64 cores run at 3.1 GHz for hours?

The 360 W thermal ceiling is reached before any frequency throttle, so sustained all-core speed depends entirely on your cooling capacity.

How much power does the 12-channel DDR5 controller draw at full load?

The CPU package is rated at 360 W total; memory subsystem consumption is included in that figure and not itemised separately.

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