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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

  • Product nameEPYC 7543P
  • CPU cores32-Core
  • CPU socketSocket SP3
  • Maximum turbo clock3.7 GHz
  • TDP rating225 W
  • Processor codenameMilan
  • 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.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $2,006.99
Pricier than about 59% of the 621 comparable items (median $1,561.99).
CPU cores 32-Core
Higher than about 60% of the 386 comparable items (median 24).
Maximum turbo clock 3.7 GHz
Lower than about 60% of the 327 comparable items (median 3.9 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAMD
Product lineAMD EPYC 7003
Model name100-100000341WOF
Product nameEPYC 7543P
Performance
Working frequency2.8 GHz
Processor
CPU cores32-Core
CPU socketSocket SP3
Maximum turbo clock3.7 GHz
TDP rating225 W
Processor codenameMilan
CPU threads64
Level 3 cache256 MB
64-bit capableYes
Process node7 nm
Virtualization supportYes
Maximum PCIe lanes128
Memory
Supported memory speedDDR4 3200
Channel configuration8 Channel
Ports & slots
PCIe generation4.0
Size & build
Shipping weight0.82 kg
Package size152 × 152 × 102 mm
In the box
Included coolerNot included - Processor Only

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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