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Square green CPU with gold contacts and silver heatspreader, no cooler included

AMD

AMD EPYC 7543 32-core 2.8 GHz server processor 100-100000345WOF

SKU CH-1HVA-FNQQW MPN 100-100000345WOF

32-core server processor with 2.8 GHz base, 3.7 GHz boost, 256 MB L3 cache, DDR4 3200 eight-channel memory and 128 PCIe 4.0 lanes

  • Product nameEPYC 7543
  • CPU cores32-Core
  • CPU socketSocket SP3
  • Maximum turbo clock3.7 GHz
  • TDP rating225 W
  • Processor codenameMilan
  • 32 cores and 64 threads accelerate parallel workloads
  • 8 GHz base with 3.7 GHz max turbo boosts single-thread speed
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 8-channel DDR4 3200 memory controller increases bandwidth
  • 128 PCIe 4.0 lanes enable high-density I/O expansion

AMD EPYC 7543 32-Core Server Processor

The AMD EPYC 7543 is a 32-core server processor built on 7 nm technology with a base frequency of 2.8 GHz and a max turbo of 3.7 GHz. It features 256 MB of L3 cache and supports 64 threads for parallel workloads. The Socket SP3 CPU targets high-density compute and virtualisation platforms.

Suits multi-threaded workloads

This CPU suits deployments that need 128 PCIe 4.0 lanes and eight-channel DDR4 3200 memory bandwidth. It is not for builds that require integrated graphics or consumer socket compatibility. Buyers needing lower power envelopes or single-thread optimisation should evaluate alternatives.

Processor-only package requires separate cooling

The unit ships without a cooling device, so a compatible SP3 heatsink rated for 225 W TDP must be sourced separately. Installation follows standard server board mounting procedures. Ensure the chassis airflow meets the thermal design power before deployment.

How it compares

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

Price $2,257.99
Pricier than about 63% 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 name100-100000345WOF
Product nameEPYC 7543
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

What motherboard socket is required for the EPYC 7543?

The processor fits a Socket SP3 motherboard designed for AMD EPYC 7003 series CPUs.

Will my existing DDR4-3200 modules run at rated speed with this 8-channel memory controller?

Yes, the integrated memory controller supports DDR4 3200 across all eight channels when populated correctly.

How can I verify the 32 cores and 64 threads are recognised after installation?

Check the OS task manager or run lscpu; both should report 32 cores, 64 threads and a 2.8 GHz base frequency.

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