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Square green CPU package with gold contact pads and silver heat spreader showing model markings

AMD

AMD EPYC 7543P 32-Core 2.8 GHz 256 MB L3 Cache SP3 225W 100-000000341

SKU CH-S5MT-FTYJP MPN 100-000000341

32-core server processor with 64 threads, 2.8 GHz base clock, 3.7 GHz max turbo, 256 MB L3 cache, DDR4-3200 8-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 parallel workloads efficiently
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • Max turbo frequency of 3.7 GHz accelerates burst performance
  • 128 PCIe 4.0 lanes enable high-speed I/O expansion
  • 8-channel DDR4 3200 memory controller maximises bandwidth

Server processor for multi-threaded workloads

The AMD EPYC 7543P is a 32-core server CPU built on 7 nm technology for data-centre deployments. It runs at a 2.8 GHz base frequency and reaches 3.7 GHz max turbo across 64 threads. The 256 MB L3 cache and eight-channel DDR4 3200 memory controller support heavy virtualisation and database tasks.

Socket SP3 installation requires compatible platform

The processor fits the Socket SP3 interface without soldering, but a cooling solution is not included and must be sourced separately for the 225 W thermal design power. Installers should verify motherboard BIOS revision and mounting hardware before handling the chip. Misaligned insertion or insufficient contact pressure can damage the socket pins.

Verify memory, PCIe and power infrastructure first

Confirm the host system provides eight DDR4 channels and can deliver adequate current for 225 W operation. The CPU exposes 128 PCI Express 4.0 lanes, so the backplane or riser layout must match that lane count. Ensure the chassis airflow and power distribution are rated for the thermal envelope before ordering.

How it compares

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

Price $1,623.99
Typical for this category: the median of 621 items is $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 name100-000000341
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

How do I verify the 32 cores and 64 threads are active after installing the EPYC 7543P?

Check the OS task manager or run lscpu to confirm 32 cores and 64 threads are reported at the 2.8 GHz base frequency

What comes in the box and what must I purchase separately for the 100-000000341 processor?

The box contains the processor only; a Socket SP3 cooler, DDR4-3200 memory modules and a compatible motherboard must be bought separately

Which EPYC 7543P variant should I choose for a single-socket server needing maximum cache?

The 7543P is a single-socket part with 256 MB L3 cache, 32 cores and a 225 W TDP — select it when those specifications match the workload

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