The AMD EPYC™ 9655 is a 96-core / 192-thread server processor based on Zen 4, designed for very high-density cloud, virtualization, database, HPC, and micro-service workloads. On the SP5 platform, it combines 12 DDR5 ECC channels and up to 128 PCIe® 5.0 lanes, offering massive throughput, reduced latency, and leading power efficiency in both single-socket and dual-socket configurations.
Key Features
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96 Cores / 192 Threads (AMD Zen 4)
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Cache: Up to 384 MB L3 + 96 MB L2 (≈ 480 MB total)
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Platform: Socket SP5 (EPYC 9004)
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Memory: 12-channel DDR5 ECC (RDIMM/LRDIMM), very high 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, crypto accelerations
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TDP: 360 W class (variable depending on platform/BIOS profile)
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Cooling: Not included (managed by chassis/manufacturer)
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iGPU: None (display via BMC/ASPEED depending on motherboard)
Ideal For
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Private / Public Cloud, Virtualization and very high-density Containers
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Databases (SQL/NoSQL), Analytics and In-Memory
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HPC and Parallel Processing sensitive to core count
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Edge/Telecom, NVMeoF Storage and PCIe 5.0 Network front-ends
Technical Specifications
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Architecture: AMD Zen 4
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Cores / Threads: 96 / 192
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Cache: 384 MB L3 + 96 MB L2
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Socket: SP5 (EPYC 9004 Platform)
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Memory: DDR5 ECC in 12 channels (RDIMM/LRDIMM, high capacity configurations)
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PCIe Lanes: Up to 128× PCIe 5.0 (depending on motherboard)
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Security Features: SEV-SNP, SME, Secure Boot, Memory Guard
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Management & Deployment: Compatible with BMC/IPMI/Redfish via server motherboards
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Cooler: Not included (thermal solution depends on chassis)
