AMD EPYC 9554

Original AMD EPYC™ 9554 4th Gen server processor featuring 64 cores and 128 threads based on Zen 4 architecture. Stocked for high-performance computing, enterprise servers, virtualization, and OEM system integration.

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AMD EPYC 9554 Specifications

Category	Specification Item	Detailed Specification
Essentials	Processor Model	AMD EPYC™ 9554
	Product Family	AMD EPYC™ 9004 Series
	Architecture / Code Name	Zen 4 (Genoa)
	Market Segment	Server / Enterprise
	CPU Socket	SP5 (LGA 6096)
	Photolithography	TSMC 5nm FinFET (Core)
CPU Performance	Total Cores / Total Threads	64 Cores / 128 Threads
	Base Clock	3.10 GHz
	Max Boost Clock	Up to 3.75 GHz
	L1 Cache	4 MB
	L2 Cache	64 MB
	L3 Cache	256 MB
	Default TDP	360 W
	Configurable TDP (cTDP)	320 W – 400 W
Memory Specifications	Max Memory Capacity	Up to 6 TB (System dependent)
	Memory Type	DDR5
	Max Memory Channels	12 Channels
	Max Memory Speed	Up to 4800 MT/s
	ECC Memory Supported	Yes
Connectivity & Tech	PCI Express Revision	PCIe 5.0
	Max PCIe Lanes	128 Lanes (1P) / 160 Lanes (2P)
	Supported Socket Count	1P / 2P
	Advanced Technologies	AMD Infinity Architecture, AMD Secure Encrypted Virtualization (SEV), AMD Shadow Stack