AMD EPYC™ 9555 Server Processor – 64 Cores & 128 Threads, 3.2GHz Base / 4.4GHz Boost, 256MB Cache, DDR5 Memory, PCIe 5.0 x128, 360W TDP | 100-000001142

Extreme Performance for Modern Data Centers

The AMD EPYC™ 9555 brings exceptional compute density and power efficiency to next-generation data centers. Featuring 64 Zen 5 cores and 128 threads, it delivers outstanding performance for AI-enabled, high-throughput, and mission-critical workloads. Built for the SP5 socket and supporting PCIe 5.0 and DDR5 memory, this processor sets the benchmark for scalability, performance, and total cost efficiency in enterprise computing.

With up to 4.4 GHz Max Boost Clock, 256 MB of L3 cache, and a balanced 360 W TDP, the EPYC 9555 provides uncompromising throughput and low latency across analytics, virtualization, and HPC workloads.

 Key Features

• 64 Cores / 128 Threads for industry-leading compute density

• 3.2 GHz Base / 4.4 GHz Boost Clock for consistent top-tier performance

• 256 MB L3 Cache to reduce latency and accelerate data-heavy workloads

• 12-Channel DDR5 Memory (Up to 6400 MT/s) delivering 614 GB/s bandwidth

• PCIe 5.0 x128 lanes for high-speed GPU, storage, and network expansion

• SP5 Socket, scalable for 1P or 2P systems

• 360 W TDP (Configurable 320–400 W) for flexible power tuning

• AMD Infinity Architecture & Infinity Guard for advanced performance and hardware-level security

• Optimized for AI, HPC, Virtualization, and Enterprise Databases

 Optimized Compute for Modern Workloads

Engineered for exceptional performance per watt, the EPYC 9555 delivers optimal scalability for data-intensive environments—from high-capacity database servers and ERP systems to virtualized compute nodes and AI inference clusters.

 Enterprise-Class Security

AMD Infinity Guard provides comprehensive hardware-based protection, including Secure Memory Encryption and Secure Boot. It ensures data integrity and confidentiality, even in multi-tenant cloud and virtualized infrastructures.

 Scalable Connectivity and Memory Throughput

• 128 PCIe 5.0 lanes for GPUs, NVMe, and networking

• DDR5 ECC Memory Support across 12 channels

• Dual-socket (1P/2P) scalability for versatile deployment

• Up to 614 GB/s memory bandwidth for large-scale computations

Specifications