AMD EPYC 9745 128-Core Processor for HPE Systems
The AMD EPYC 9745 2.4GHz 128-core processor is engineered for enterprise data centers and high-performance computing environments requiring exceptional parallel processing power. This 400W processor delivers 128 cores and 256 MB of cache, making it ideal for virtualization, analytics, AI workloads, and mission-critical applications in HPE ProLiant servers. Organizations running demanding workloads benefit from superior multi-threaded performance, reduced power consumption per core, and seamless integration with HPE infrastructure.
Key Features
- 128 cores with 256 threads for extreme parallel processing
- 2.4GHz base clock speed for consistent performance
- 256 MB L3 cache for reduced latency and improved throughput
- 400W TDP optimized for power-efficient data center deployments
- RDIMM and LRDIMM memory support up to 12TB per socket
- PCIe 5.0 connectivity for next-generation I/O expansion
- Zen 4c architecture for enhanced IPC and efficiency
- Compatible with HPE ProLiant Gen11 servers
Technical Specifications
| Specification |
Details |
| Manufacturer |
HEWLETT PACKARD ENTERPRISE |
| Part Number |
P72648-B21 |
| Processor Model |
AMD EPYC 9745 |
| Core Count |
128 cores / 256 threads |
| Base Clock Speed |
2.4 GHz |
| Boost Clock Speed |
Up to 3.5 GHz |
| Cache |
256 MB L3 cache |
| TDP |
400W |
| Socket Type |
SP5 |
| Process Technology |
5nm Zen 4c |
| Memory Support |
RDIMM, LRDIMM up to 12TB |
| I/O |
PCIe 5.0 |
Frequently Asked Questions
What workloads benefit most from the AMD EPYC 9745 128-core processor?
The 128-core architecture excels in virtualization, database analytics, machine learning inference, high-performance computing simulations, and containerized environments where parallel processing drives ROI. Enterprise customers see significant performance gains in workloads utilizing 64+ threads.
How does the 400W TDP compare to previous EPYC generations?
The 400W power envelope represents optimized efficiency for the 128-core configuration, delivering superior performance-per-watt compared to older architectures. This reduces cooling costs and enables higher density deployments in HPE data centers.
Is the AMD EPYC 9745 compatible with existing HPE ProLiant servers?
The EPYC 9745 uses the SP5 socket and is compatible with HPE ProLiant Gen11 servers. Verify your system's BIOS version and memory configuration before upgrading to ensure full compatibility.
What is the 256 MB cache benefit for enterprise applications?
The large L3 cache reduces memory latency and improves throughput for data-intensive workloads. This translates to faster query execution in databases, reduced latency in real-time analytics, and improved performance in AI/ML inference scenarios.
