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HPE

HPE P46921-B21 | 32-core CPU | 2.8GHz base, up to 3.6GHz boost | 280W TDP | 768MB L3 3D V-Cache | DDR4-3200 8-channel | PCIe 4.0 (128 lanes)

SKU:P46921-B21

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Description

Milan‑X server CPU delivering high per‑core speed and expansive 3D V‑Cache for cache‑sensitive engineering and analytics workloads. Ideal for mixed virtualization and HPC nodes needing strong single‑thread and multi‑thread balance.

Features

- Balanced 32‑core performance with large L3 cache
- High base/boost clocks for responsive single‑thread performance
- Extensive I/O with 128 PCIe 4.0 lanes
- Optimized for cache‑sensitive HPC and analytics
- Enterprise‑grade reliability and RAS features

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

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

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FAQs

Technical Specifications

FAQs

Q: Is this CPU suitable for dual‑socket servers?
A: Yes, where supported by the system board and firmware. Use matched CPUs and verify compatibility with your server’s documentation.

Q: How does 3D V‑Cache help performance?
A: The large L3 cache reduces memory latency for cache‑sensitive workloads, improving performance in engineering simulations and analytics.

Q: What memory does it support?
A: ECC DDR4‑3200 across eight channels per CPU, subject to server DIMM population rules.

Technical Specifications

- Cores/Threads: 32 / 64
- Base/Boost Frequency: 2.8 GHz base, up to 3.6 GHz boost
- TDP: 280W
- Architecture: AMD EPYC 7003 Series (Milan‑X), 7nm
- L3 Cache: 768MB 3D V‑Cache
- Memory Support: 8‑channel DDR4‑3200 ECC
- PCIe: Gen4, up to 128 lanes
- Socket: SP3
- Use cases: EDA/CFD/FEA, financial analytics, in‑memory DBs, and virtualization clusters

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