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HPE

HPE P02958-B21 | 28C/56T, 2.2 GHz base, 39 MB L3, 165W TDP, DDR4-2933 6-ch, LGA3647, 3x UPI 10.4 GT/s, AVX-512 VNNI

SKU:P02958-B21

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Description

High-core-count 2nd Gen Intel Xeon Scalable CPU for dense virtualization, analytics, and in-memory workloads. Supports six-channel DDR4-2933 ECC memory and high-throughput UPI for multi-socket HPE servers.

Features

- High core density for virtualization and parallel workloads
- Six-channel DDR4-2933 memory bandwidth for in-memory analytics
- AVX-512 and DL Boost (VNNI) acceleration for HPC and AI inference
- Triple UPI links for fast socket-to-socket interconnect
- Enterprise-grade reliability with ECC and platform security 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 compatible with my HPE ProLiant Gen10 server?
A: Yes, if your specific ProLiant model supports LGA3647 2nd Gen Xeon Scalable processors. Check the server CPU support list and required BIOS/firmware.

Q: Can I mix this with a different Xeon model in a dual-socket system?
A: No. For multi-CPU configurations, processors must match in model, stepping, and TDP. Mixing different models is not supported.

Q: What memory speed will I get?
A: Up to DDR4-2933, subject to DIMM type/rank and population rules of your server.

Q: Does it support Intel Optane Persistent Memory?
A: Yes, 2nd Gen Xeon Scalable supports Optane DC Persistent Memory on qualified platforms and configurations.

Q: Do I need a specific heatsink or carrier?
A: Use the HPE server-specific heatsink/carrier kit recommended for your chassis.

Technical Specifications

- CPU family: Intel Xeon Scalable 2nd Gen (Cascade Lake)
- Model: Xeon Platinum 8276
- Cores / Threads: 28 / 56
- Base frequency: 2.2 GHz
- L3 cache: 39 MB
- TDP: 165 W
- Process: 14 nm
- Socket: LGA3647
- Memory support: DDR4-2933, 6 channels, ECC
- UPI: 3 links @ 10.4 GT/s
- PCIe: 48 lanes (Gen3)
- Instruction set: 64-bit, AVX-512 (2 FMA), Intel DL Boost (VNNI)
- Virtualization: Intel VT-x, VT-d
- Security & crypto: AES-NI
- Platform: HPE ProLiant Gen10 compatibility (check server CPU support matrix/BIOS)

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