The AMD EPYC™ 9554 is a 64-core / 128-thread server processor (Zen 4 architecture) designed for high-density cloud, virtualization, database and HPC workloads. On the SP5 platform, it combines 12 channels of DDR5 ECC memory and up to 128 PCIe® 5.0 lanes, ensuring massive throughput, reduced latency, and excellent energy efficiency in both single-socket and dual-socket configurations.
Key Features
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64 Cores / 128 Threads (Zen 4)
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Cache: 256MB L3 + 64MB L2 (≈ 320MB total)
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Socket: SP5 (EPYC 9004 “Genoa”)
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Memory: 12-channel DDR5 ECC (RDIMM/LRDIMM), very large capacity per socket
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I/O: up to 128 PCIe 5.0 lanes (CXL ready depending on motherboard)
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Security: AMD SEV-SNP, SME, Shadow Stack, hardware-level memory/VM encryption
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Instruction Set: AVX-512, VNNI, cryptographic accelerations
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TDP: 360 W class (depending on platform/BIOS profile)
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Cooling: not included (managed by server chassis)
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iGPU: none (display via BMC/ASPEED depending on motherboard)
Ideal For
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Private/public cloud, virtualization, and high-density containers
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Databases (SQL/NoSQL), analytics, and in-memory processing
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HPC, parallel computing, and microservices
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Edge/telecom, NVMe-oF storage, and PCIe 5.0 network front ends
Technical Specifications
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Architecture: AMD Zen 4
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Cores / Threads: 64 / 128
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Typical Frequencies: base ~3.1 GHz, boost up to ~3.75 GHz (depending on platform/cooling)
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Cache: 256 MB L3 + 64 MB L2
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Socket: SP5 (LGA 6096)
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Memory: DDR5 ECC in 12 channels, RDIMM/LRDIMM (very high capacities)
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PCIe Lanes: up to 128× PCIe 5.0 (CXL optional depending on motherboard)
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Security: SEV-SNP, SME, Secure Boot, Memory Guard
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Management: compatible with BMC/IPMI/Redfish via server motherboards
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Cooler: not included (thermal solution according to chassis)
