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AMD EPYC 7543 server processor in SP3 tray packaging

AMD

AMD EPYC 7543 32-core server processor 2.8/3.7 GHz 256 MB L3 225 W TDP tray

SKU CH-KDAB-D0NH7

A 32-core, 64-thread server CPU reaching 3.7 GHz boost with 256 MB L3 cache for high-density virtualisation

  • CPU Socket TypeSocket SP3
  • 32 cores and 64 threads handle parallel workloads efficiently
  • Base clock 2.8 GHz with boost up to 3.7 GHz for responsive performance
  • 256 MB L3 cache reduces memory latency for large datasets
  • 8-channel DDR4-3200 delivers 204.8 GB/s memory bandwidth per socket
  • 128 lanes of PCIe 4.0 connectivity for high-speed I/O expansion

32-core EPYC server processor

The AMD EPYC 7543 is a 32-core, 64-thread server CPU built for dual-socket platforms. It runs at a 2.8 GHz base clock with a maximum boost of 3.7 GHz and includes 256 MB of L3 cache. The processor fits Socket SP3 and supports PCIe 4.0 with up to 128 lanes for high-bandwidth I/O.

Tray packaging and configurable TDP

This unit ships as a tray processor without a retail cooler or boxed accessories. The default TDP is 225 W and the configurable TDP range spans 225-240 W, allowing integrators to tune power limits for density or thermal constraints. System builders must provide their own SP3-compatible cooling solution.

Eight-channel DDR4 and enterprise workloads

The memory controller operates eight DDR4 channels at up to 3200 MHz, delivering 204.8 GB/s of peak bandwidth per socket. AMD Infinity Guard and Infinity Architecture features target security and workload affinity for virtualisation, databases and analytics. No integrated graphics are present, so a separate management or display adapter is required.

Points forts

  • 32 cores and 64 threads handle parallel workloads efficiently
  • Base clock 2.8 GHz with boost up to 3.7 GHz for responsive performance
  • 256 MB L3 cache reduces memory latency for large datasets
  • 8-channel DDR4-3200 delivers 204.8 GB/s memory bandwidth per socket
  • 128 lanes of PCIe 4.0 connectivity for high-speed I/O expansion

Caractéristiques

SeriesAMD EPYC 7003
CPU Socket TypeSocket SP3

Questions sur cet article

Will the 256 MB L3 cache on the EPYC 7543 ever need replacement?

The 256 MB L3 cache is built into the silicon and has no moving parts; it does not wear out and never requires replacement.

What limit appears first when the 32-core processor runs at its 225 W TDP continuously?

The 225 W thermal design power is the first hard limit; the cooling solution must dissipate that heat or the CPU will throttle to stay within its thermal envelope.

How much noise and heat does the 225 W TDP tray CPU produce under all-day load?

The processor itself has no fan; total noise and heat depend on the cooler and chassis airflow chosen to handle the 225 W default TDP.

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