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Square green ceramic server processor with gold contacts and silver metal heat spreader, SP3 socket form factor

AMD

AMD EPYC 7543P 32-Core 2.8 GHz Server Processor 100-100000341WOF

SKU CH-JN3T-FS6DJ MPN 100-100000341WOF

32-core server CPU with 64 threads, 256 MB L3 cache, 2.8 GHz base and 3.7 GHz boost, DDR4-3200 eight-channel memory, 128 PCIe 4.0 lanes, 225 W TDP, SP3 socket

  • NameEPYC 7543P
  • CPU Socket TypeSocket SP3
  • Core NameMilan
  • # of Cores32-Core
  • # of Threads64
  • Operating Frequency2.8 GHz
  • 32 cores and 64 threads handle heavy parallel workloads
  • 8 GHz base with 3.7 GHz max turbo delivers strong single-thread speed
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 8-channel DDR4 3200 memory controller maximises bandwidth
  • 128 PCIe 4.0 lanes support high-density I/O configurations

AMD EPYC 7543P 32-core server processor

The AMD EPYC 7543P is a 32-core, 64-thread server CPU built on the Milan architecture for the SP3 socket. It targets data-centre operators who need high core density and memory bandwidth for virtualisation, databases or high-performance computing workloads.

256 MB L3 cache and eight-channel DDR4-3200 memory

The large 256 MB L3 cache reduces latency for complex, multi-threaded tasks while the integrated eight-channel controller supports DDR4-3200 across all channels. PCI Express 4.0 provides up to 128 lanes for fast storage and accelerator connectivity without extra bridges.

Requires SP3 motherboard

Installation follows standard SP3 mounting procedures but the processor ships without a cooler so a compatible 225 W TDP solution must be sourced separately. Builders who need integrated graphics or single-thread frequencies above 3.7 GHz should consider other platforms.

Highlights

  • 32 cores and 64 threads handle heavy parallel workloads
  • 8 GHz base with 3.7 GHz max turbo delivers strong single-thread speed
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 8-channel DDR4 3200 memory controller maximises bandwidth
  • 128 PCIe 4.0 lanes support high-density I/O configurations

Specifications

BrandAMD
SeriesAMD EPYC 7003
NameEPYC 7543P
Model100-100000341WOF
CPU Socket TypeSocket SP3
Core NameMilan
# of Cores32-Core
# of Threads64
Operating Frequency2.8 GHz
Max Turbo Frequency3.7 GHz
L3 Cache256MB
64-Bit SupportYes
Manufacturing Tech7 nm
Integrated Memory Controller SpeedDDR4 3200
Memory Channel8 Channel
Virtualization Technology SupportYes
PCI Express Revision4.0
Max # of PCI Express Lanes128
Thermal Design Power225W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.82 kg
Package size152 × 152 × 102 mm

Questions about this item

Does the 225 W TDP require a specific server cooler for continuous operation?

The processor ships without a cooling device; a Socket SP3 cooler rated for at least 225 W is needed to sustain the 2.8 GHz base clock across all 32 cores.

What limits sustained throughput first — the 2.8 GHz base clock or the 225 W power ceiling?

Under prolonged all-core loads the 225 W thermal design power caps frequency before the 2.8 GHz base clock becomes the bottleneck.

How loud and hot does the 32-core Milan core run at full load all day?

The 7 nm Milan die produces 225 W of heat at maximum turbo; actual noise and temperature depend on the chosen SP3 heatsink and chassis airflow.

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