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AMD EPYC 9454 server processor, square green PCB with gold contacts and silver heat spreader, no cooler included

AMD

AMD EPYC 9454 100-000000478 server processor 48-core 2.75 GHz 256 MB L3 290 W

SKU CH-QYQV-RH49R MPN 100-000000478

48-core server processor with 2.75 GHz base clock, 3.8 GHz max turbo, 256 MB L3 cache, 12-channel DDR5 support and 128 PCIe 5.0 lanes

  • Product nameEPYC 9454
  • CPU cores48-Core
  • CPU socketSocket SP5
  • Maximum turbo clock3.8 GHz
  • TDP rating290 W
  • CPU threads96

Model EPYC 9454

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  • 48 cores and 96 threads accelerate multi-threaded workloads
  • 256 MB L3 cache improves hit rates for faster data access
  • 12-channel DDR5 4800 memory controller maximises bandwidth
  • 128 PCIe 5.0 lanes enable high-speed I/O expansion
  • 8 GHz max turbo frequency boosts single-thread performance

48-Core EPYC 9454 for Data Centre Workloads

The AMD EPYC 9454 is a 48-core server processor built for high-density compute environments. It targets operators running virtualised infrastructure, large databases or AI training clusters that demand maximum thread count per socket. The SP5 platform provides twelve memory channels and 128 PCIe 5.0 lanes for balanced I/O.

256 MB L3 Cache and 12-Channel DDR5 4800 Headroom

The 256 MB L3 cache feeds 96 threads with low-latency data, keeping utilisation high on memory-bound workloads. Twelve DDR5 4800 channels deliver aggregate bandwidth that sustains large working sets without stalling. The 290 W TDP marks the thermal ceiling; sustained all-core loads will sit at the 2.75 GHz base frequency rather than the 3.8 GHz single-core boost.

Socket SP5 Platform Constraint

This processor only fits motherboards with the SP5 socket and supporting infrastructure for 12-channel DDR5 and 128 lanes of PCIe 5.0. Existing SP3 or consumer platforms cannot accept it. Buyers without a qualified SP5 server board and adequate cooling for 290 W should not purchase this CPU.

How it compares

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

Price $3,777.99
Pricier than about 81% of the 621 comparable items (median $1,561.99).
CPU cores 48-Core
Higher than about 77% of the 386 comparable items (median 24).
Maximum turbo clock 3.8 GHz
Lower than about 55% 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 9004
Model name100-000000478
Product nameEPYC 9454
Performance
Working frequency2.75 GHz
Processor
CPU cores48-Core
CPU socketSocket SP5
Maximum turbo clock3.8 GHz
TDP rating290 W
CPU threads96
Level 3 cache256 MB
64-bit capableYes
Maximum PCIe lanes128
Memory
Supported memory speedDDR5 4800
Channel configuration12 Channel
Ports & slots
PCIe generation5.0
Size & build
Shipping weight0.23 kg
Package size184 × 152 × 86 mm
In the box
Included coolerNot included - Processor Only

Other versions of this model

5 more in the same range

Questions about this item

Will the EPYC 9454 run on an SP3 board I already own?

No, this CPU requires the SP5 socket and will not fit SP3 motherboards.

How can I verify the 96 threads are active after installation?

Check the operating system task manager or run lscpu to confirm 48 cores and 96 threads are detected.

Does the box include a heatsink or thermal paste for the 290 W TDP?

The processor ships without a cooling device; a compatible SP5 heatsink and thermal interface material must be purchased separately.

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