AMD EPYC 9845 Turin Dense 160-Core Processor

AMD EPYC 9845 Turin Dense 160-Core Processor

Brand: AMD EPYC | Category: CPUs

SKU: AMDE-100000001547 | Part #: 100-000001547 | MPN: 100-000001547

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About the AMD EPYC 9845 Turin Dense 160-Core Processor

The AMD EPYC 9845 is a 4th Generation EPYC processor built on the Zen 5c core architecture, delivering 160 cores and 320 threads within a single socket. As part of the Turin Dense family, it leverages AMD's compact Zen 5c core design to maximize compute density per socket, making it exceptionally well-suited for cloud service providers and hyperscalers that require high vCPU counts per physical host while managing per-core software licensing overhead.

Constructed using a chiplet-based design with TSMC 3nm process technology for the compute dies and paired with an advanced I/O die, the EPYC 9845 supports up to 384GB of DDR5 memory across 12 channels, delivering substantial memory bandwidth for latency-sensitive and throughput-intensive workloads. The processor integrates PCIe 5.0 connectivity and maintains full compatibility with the SP5 platform socket, enabling deployment in existing Turin-generation server infrastructure.

The EPYC 9845 is targeted specifically at multi-tenant cloud environments, virtual desktop infrastructure, containerized microservices platforms, and high-density virtualization deployments where maximizing the number of independently schedulable compute threads per node directly translates to improved consolidation ratios. Its positioning within AMD's Turin Dense lineup reflects a deliberate architectural trade-off that prioritizes core count and power efficiency over the highest individual-core clock speeds found in standard Zen 5 variants.

Ideal for

  • High-density public and private cloud virtualization requiring maximum vCPU count per physical host to optimize per-core software licensing spend
  • Multi-tenant container orchestration platforms running Kubernetes clusters where thread-level isolation and density drive infrastructure economics
  • Virtual Desktop Infrastructure deployments supporting large concurrent user populations on minimal physical server footprint
  • Cloud-native microservices architectures demanding high parallelism across hundreds of simultaneous lightweight workloads
  • Batch processing and HPC job scheduling environments where aggregate throughput across many parallel tasks exceeds the benefit of high single-thread performance
  • Telecom and edge cloud infrastructure requiring dense compute nodes for NFV and vRAN workloads within constrained power and space envelopes

Technical specifications

ManufacturerAMD EPYC
Manufacturer Part Number100-000001547
Product LineAMD EPYC 9005 Series (Turin)
Core ArchitectureZen 5c (Dense)
Total Cores160
Total Threads320
SocketSP5 (LGA6096)
Process TechnologyTSMC 3nm (Compute Dies) / 6nm (I/O Die)
Memory Channels12
Maximum Memory Capacity384 GB (registered); up to 3TB with 3DS RDIMMs across full platform
Supported Memory TypeDDR5
PCIe VersionPCIe 5.0
PCIe Lanes128 (per socket)
L3 Cache256 MB
TDP400W
Multi-Socket Support1P only
Virtualization SupportAMD-V (AMD Virtualization Technology)
Instruction Set ExtensionsAVX-512, AVX-VNNI
AMD Infinity GuardYes (SEV-SNP, SME, TSME)
Platform Generation4th Generation AMD EPYC (Turin)

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Technical Specifications

BrandAMD EPYC
CategoryCPUs
SKUAMDE-100000001547
Part Number100-000001547
ConditionNew
Manufacturer Part Number100-000001547
Product LineAMD EPYC 9005 Series (Turin)
Core ArchitectureZen 5c (Dense)
Total Cores160
Total Threads320
SocketSP5 (LGA6096)
Process TechnologyTSMC 3nm (Compute Dies) / 6nm (I/O Die)
Memory Channels12
Maximum Memory Capacity384 GB (registered); up to 3TB with 3DS RDIMMs across full platform
Supported Memory TypeDDR5
PCIe VersionPCIe 5.0
PCIe Lanes128 (per socket)
L3 Cache256 MB
TDP400W
Multi-Socket Support1P only
Virtualization SupportAMD-V (AMD Virtualization Technology)
Instruction Set ExtensionsAVX-512, AVX-VNNI
AMD Infinity GuardYes (SEV-SNP, SME, TSME)
Platform Generation4th Generation AMD EPYC (Turin)