AMD EPYC 9645 (Turin, Zen 5, 96-core)

The AMD EPYC 9645 is a 96-core, 192-thread server processor built on the fifth-generation Zen 5 microarchitecture, fabricated using TSMC's 4nm-class process node and packaged in AMD's 5th Gen EPYC 'Turin' platform. It operates within the SP5 socket ecosystem, maintaining drop-in compatibility with existing EPYC 9004-series motherboard infrastructure through firmware updates. The processor integrates twelve Zen 5 compute chiplets (CCDs), each housing eight cores, paired with a central I/O die that consolidates memory controllers, PCIe fabric, and security subsystems. With a configurable TDP envelope and support for AMD's ACPI-based power management, the 9645 balances peak computational throughput against data center power budgets with granular precision.

The Zen 5 core design brings significant IPC uplift over Zen 4 through a wider front-end, improved branch prediction, and an enlarged execution engine capable of handling larger AVX-512 vector workloads natively. The EPYC 9645 supports eight channels of DDR5 memory per socket with speeds up to DDR5-6400 in optimized configurations, delivering exceptional memory bandwidth for in-memory databases, large language model inference, and high-performance analytics. Each socket exposes 128 PCIe 5.0 lanes, enabling full saturation of high-throughput NVMe storage arrays, dual-port 400GbE network adapters, and multiple GPU or FPGA accelerators without lane contention.

For enterprise virtualization estates, the 96-core count of the EPYC 9645 represents a deliberate architectural decision: organizations using per-core licensed software such as Oracle Database, Microsoft SQL Server, or VMware vSphere can deploy significantly more compute capacity per licensed socket compared to higher-core-count alternatives, directly reducing total software expenditure. AMD Infinity Guard security features—including AMD Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP), AMD Transparent Secure Memory Encryption (TSME), and hardware-enforced memory encryption—provide confidential computing capabilities essential for regulated and multi-tenant workloads.

Ideal for

• Large-scale VMware or Nutanix virtualization clusters where per-core software licensing economics favor maximizing VM density per licensed socket
• Microsoft SQL Server deployments requiring high core counts and large DDR5 memory capacity for in-memory OLTP and analytical workloads
• Cloud-native Kubernetes environments running containerized microservices that benefit from high thread counts and low-latency PCIe 5.0 NVMe storage
• Enterprise AI inference serving where multiple model instances run concurrently across many cores with AVX-512 acceleration and high memory bandwidth
• High-frequency financial analytics and risk modeling platforms requiring sustained multi-threaded floating-point throughput with deterministic latency
• Confidential computing and multi-tenant hosted environments leveraging SEV-SNP memory encryption to isolate virtual machines at the hardware level

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.