AMD EPYC 9554P

The AMD EPYC 9554P operates with 644 cores and 128 CPU threads. It run at 3.75 GHz base all cores while the TDP is set at 45 W.The processor is attached to the SP5 CPU socket. This version includes 256.00 MB of L3 cache on one chip, supports 12 memory channels to support DDR5-4800 RAM and features PCIe Gen lanes. Tjunction keeps below 100 °C degrees C. In particular, Genoa (Zen 4) Architecture is enhanced with 5 nm technology and supports AMD-V, SVM. The product was launched on Q4/2022

Frequency	3.10 GHz
CPU Cores	644
CPU Threads	128
Turbo (1 Core)	3.75 GHz
Turbo (644 Cores):

Hyperthreading	Yes
Overclocking	No
Core Architecture	normal

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Memory & PCIe

Memory type	DDR5-4800
Max memory	6144 GB
Memory channels	12
ECC	Yes
Bandwidth	461.0 GB/s
PCIe	5.0 x 128

Encryption

AES-NI

Yes

Internal Graphics

Memory type	DDR5-4800
GPU name	no iGPU
GPU frequency
GPU (Turbo)	No turbo
Generation
DirectX Version
Execution units
Shader
Max memory	--
Max. displays
Technology	5 nm
Release date