• Hpe p72649-b21 amd epyc 9645 silver server processor with metallic top cover and black integrated circuitry beneath
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HPE

HPE P72649-B21 | AMD EPYC 9645 96-Core 2.3GHz 320W Server Processor, Gen11/12

HPE P72649-B21 | AMD EPYC 9645 96-Core 2.3GHz 320W Server Processor, Gen11/12

P72649-B21

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Description

The AMD EPYC 9645 server processor for HPE ProLiant Gen11 and Gen12 delivers 96 cores and 192 threads at a 2.3GHz base clock, boosting up to 3.7GHz, making it an exceptional choice for enterprise virtualisation, AI/ML workloads, HPC, and data analytics. Built on AMD's 5th Generation EPYC 9005 Series architecture with a 256MB L3 cache and 320W configurable TDP (up to 400W), it pairs with HPE's Infinity Guard security and Infinity Architecture for a production-ready platform at scale.

Supporting 12-channel DDR5 memory at up to 6000 MT/s with 576 GB/s per-socket bandwidth and PCIe 5.0 x128 lanes, this processor ensures maximum I/O throughput for storage and networking-intensive deployments. Compatible with single and dual-socket HPE ProLiant configurations, the kit ships without a heatsink — a performance heatsink and fan kit (required for processors above 240W) must be ordered separately. Order now at iptrading.com.au — trusted by Australian IT professionals.

Features

- 96-core / 192-thread architecture delivers exceptional parallel compute performance for enterprise and HPC workloads
- Max boost clock of 3.7GHz (all-core boost 3.3GHz) ensures strong single-threaded and multi-threaded performance
- 256MB L3 cache reduces memory latency for data-intensive applications
- Configurable TDP (320–400W) allows workload-optimised power and performance tuning
- PCIe 5.0 x128 lanes provide high-bandwidth connectivity for NVMe storage, GPUs, and high-speed networking
- 12-channel DDR5 memory support with 576 GB/s per-socket bandwidth for AI, analytics, and in-memory databases
- HPE Infinity Guard and Infinity Architecture support for enterprise-grade security and platform integration
- Supports single and dual-socket configurations for flexible server scaling
- Optimised for AI/ML inference and training, virtualisation, data analytics, and cloud-native workloads
- Processor kit — performance heatsink and fan kit must be ordered separately for TDP >240W

Warranty

Hewlett Packard Enterprise (HPE) offers a standard limited hardware warranty on its products, with coverage periods varying by product line. For instance, HPE ProLiant servers typically come with a 1 to 3-year limited warranty, while other products may have different durations.
Extended Warranty Options via IP Trading:
IP Trading offers tailored extended warranty solutions and support packages for HPE products, ensuring your IT infrastructure remains protected beyond the standard warranty period. Contact our team to explore options that align with your organisation's needs.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Cores / Threads: 96 cores / 192 threads
- Base Clock Speed: 2.3GHz
- Max Boost Clock: Up to 3.7GHz
- All-Core Boost Speed: 3.3GHz
- L3 Cache: 256MB
- Default TDP: 320W (Configurable: 320–400W)
- CPU Socket: AMD Socket SP5
- Socket Support: Single (1P) or Dual (2P) socket
- PCIe Version: PCIe 5.0 x128 lanes
- Memory Type: DDR5-SDRAM
- Memory Channels: 12 (Dodeca-channel)
- Memory Speed: Up to 6000 MT/s
- Memory Bandwidth (per socket): 576 GB/s
- Processor Operating Mode: 64-bit
- Compatible Servers: HPE ProLiant Gen11, Gen12
- Spare Part Number: P73260-001
- Note: Heatsink and fan kit not included — performance heatsink required for processors >240W

FAQs

Q: Which HPE servers are compatible with the AMD EPYC 9645 processor (P72649-B21)?
A: The HPE AMD EPYC 9645 processor is compatible with HPE ProLiant Gen11 and Gen12 servers that support the AMD Socket SP5 platform. Always verify the HPE QuickSpecs for your specific server model to confirm compatibility before ordering.

Q: Does this processor kit include a heatsink or fan?
A: No. The P72649-B21 is a processor-only kit. For processors with a TDP above 240W — including this 320W unit — HPE requires a separate performance heatsink and fan kit, which must be ordered independently.

Q: Can this processor be used in a dual-socket server configuration?
A: Yes. The AMD EPYC 9645 supports both single-socket (1P) and dual-socket (2P) configurations, allowing you to scale to 192 cores and 384 threads in a dual-socket HPE ProLiant server.

Q: What workloads is the AMD EPYC 9645 optimised for?
A: This processor is well-suited for enterprise virtualisation, AI/ML inference and training, high-performance computing (HPC), data analytics, content management, and ERM/SCM/CRM applications requiring high core counts and large memory bandwidth.

Q: What memory type and speed does this processor support?
A: The EPYC 9645 supports DDR5-SDRAM across 12 memory channels (dodeca-channel), running at up to 6000 MT/s, delivering up to 576 GB/s of memory bandwidth per socket — critical for memory-bandwidth-sensitive workloads like AI and analytics.

Q: Can I purchase the HPE AMD EPYC 9645 (P72649-B21) in Australia?
A: Yes. iptrading.com.au stocks HPE processor option kits for Australian businesses. Our team can assist with compatibility checks, bulk purchasing, and procurement for enterprise and government environments. Order online or contact us directly for a quote.

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