AMD EPYC 9555P 64-Core Server CPU

Brand: AMD | Category: CPUs

SKU: AMD-EPYC-9555P-SERVER-PROCESSO | Part #: 100-000000654 | MPN: 100-000000654

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AMD EPYC 9555P processors are sized for virtualisation workloads where core density and memory bandwidth matter more than per-core frequency. With 64 cores operating at a base frequency of 2.0 GHz and the ability to boost to 3.0 GHz on select cores, this processor delivers the throughput needed to consolidate dozens of virtual machines on a single socket while maintaining acceptable latency for transaction-heavy applications. The 256 MB of L3 cache ensures that memory-intensive workloads—particularly those involving databases, hypervisors, or large in-memory datasets—hit cache on first access rather than traversing the memory hierarchy. Part number 100-000000654 represents a full-power EPYC 9555P variant, built on the Genoa architecture and certified for production deployments across GCC and European data centres since 2023.

Infrastructure architects and virtualisation platform teams frequently specify the AMD EPYC 9555P when they need to reduce physical server footprint without compromising application performance. A single socket implementation with this processor can run 40–80 virtual machines depending on workload profile, making it a practical choice for consolidation scenarios where power and cooling budgets are constrained but core count cannot be sacrificed. The eight-channel DDR4 ECC registered memory interface allows the system to address up to 12 TB of RAM per socket, critical for workloads like SAP HANA, large-scale Kubernetes clusters, or database query engines that benefit from enormous memory pools. AMD's Infinity Architecture ensures that multi-socket configurations (when necessary) maintain cache coherency and low-latency access to memory across sockets, eliminating the penalty that older NUMA designs incurred.

Security and encryption capabilities are embedded at the silicon level. AMD Secure Encrypted Virtualization (SEV) allows virtual machines to be encrypted at rest and in memory without application modification, addressing regulatory requirements in industries like finance, healthcare, and government contracting. The part number 100-000000654 includes full SEV support alongside memory encryption, secure boot, and transparent data protection across the memory bus. This is not a bolted-on feature but native to the die, meaning virtualisation teams and cloud platform architects can enable protection without consuming performance or complexity budget. For organisations running multi-tenant cloud environments or handling sensitive data, this difference is material.

Connectivity and I/O scale with the workload. The EPYC 9555P supports PCIe 4.0 with up to 128 lanes, allowing direct attachment of NVMe storage arrays, GPU accelerators, and high-speed network interfaces—100 Gbps Ethernet cards are now the norm in systems equipped with this processor. The SP3 socket (LGA 4094) has been the industry standard for AMD EPYC across three processor generations, meaning organisations can refresh processors within existing server platforms without motherboard replacement. This backward compatibility reduces total cost of ownership and simplifies fleet management for data centre operations teams running large server estates. Thermal Design Power sits at 280 W per socket, moderate enough for dual-socket configurations in standard 2U or 3U server form factors without exotic cooling infrastructure.

AMD has positioned the EPYC 9555P as a virtualization and throughput workhorse, not an ultra-low-latency outlier. The trade-off between base frequency (2.0 GHz) and core density works in favour of workloads that care about aggregate throughput: virtualised application servers, batch processing pipelines, analytics databases, and containerised multi-tenant platforms all see better price-to-performance on this part than on higher-frequency but lower-core-count alternatives. The 64-core design and generous cache make it a credible alternative to Intel Xeon for organisations already committed to AMD or seeking to diversify their processor roadmap.

Performance Specifications and Memory Architecture

• 64 cores with 2.0 GHz base frequency and 3.0 GHz boost clock across the Genoa generation
• 256 MB unified L3 cache, partitioned intelligently per core cluster to reduce latency variance
• 8-channel DDR4 ECC Registered Memory controller with support for up to 12 TB per socket
• SP3 socket (LGA 4094) compatibility with existing EPYC server platforms and infrastructure investment
• PCIe 4.0 with 128 lanes for direct-attach storage, GPU, and network acceleration
• 280 W TDP enabling efficient deployment in standard 2U and 3U server chassis
• AMD Infinity Architecture for multi-socket cache coherency and NUMA-optimised memory access
• Secure Encrypted Virtualization and hardware-based memory encryption for regulated workloads

Omnixon Global sources and distributes the AMD EPYC 9555P (part number 100-000000654) directly to data centre operators, systems integrators, and enterprise infrastructure teams across the GCC, South Asia, and Europe. We maintain stock in our Dubai facility and manage compliance, warranty, and technical support for high-volume deployments. If you are evaluating EPYC 9555P processors for virtualisation refresh, HPC deployment, or database infrastructure upgrade, we invite you to submit a request for quotation. Our technical sales team can advise on socket count, memory configuration, and thermal requirements specific to your deployment scenario.