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Cisco

Cisco HX-CPU-I8276M | Xeon Platinum 8276M | 28C/56T 2.2GHz, 38.5MB L3, 165W, DDR4-2933, Optane DC PMem, Max Mem 2TB

SKU:HX-CPU-I8276M

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Description

High-core-count CPU for LGA3647 servers, the Xeon Platinum 8276M delivers 28 cores at 2.2 GHz base with 38.5 MB L3 cache and 165W TDP. It supports 6-channel DDR4-2933 and Intel Optane DC Persistent Memory; the M suffix enables up to 2 TB of memory per socket for larger in-memory datasets. Ideal for dense virtualization, analytics, and scale-up enterprise workloads.

Features

- 28-core performance for heavy multi-threaded virtualization and analytics
- DDR4-2933 with 6 memory channels for high memory bandwidth
- M-suffix expanded memory capacity up to 2 TB per socket
- Support for Intel Optane DC Persistent Memory for larger in-memory datasets
- AVX-512 and Intel DL Boost (VNNI) accelerate HPC and AI inference
- Robust RAS and virtualization features for enterprise uptime
- 48 PCIe 3.0 lanes for high I/O density and accelerators

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: Does this CPU include a heatsink?
A: No. It is typically sold as a CPU only; obtain the correct heatsink/airflow kit for your server chassis.

Q: Can I mix this processor with a different model in a dual-socket system?
A: Mixing models is not supported. Use identical CPU model, stepping, and frequency across sockets.

Q: What does the M suffix mean?
A: M indicates increased memory capacity support, enabling up to 2 TB per socket when the platform supports it.

Q: Is Optane DC Persistent Memory supported?
A: Yes, when the server platform, BIOS, and DIMM population rules support Intel Optane DC Persistent Memory.

Q: Will this work in my server?
A: Verify socket (LGA3647), BIOS/firmware compatibility, TDP support, and approved CPU lists for your exact server model.

Technical Specifications

- Series: Xeon Platinum 8200 (2nd Gen Xeon Scalable, Cascade Lake)
- Model: 8276M
- Cores / Threads: 28 / 56
- Base Frequency: 2.2 GHz
- Smart Cache (L3): 38.5 MB
- TDP: 165 W
- Socket: FCLGA3647
- Process: 14 nm
- Memory Support: 6-channel DDR4-2933, ECC RDIMM/LRDIMM
- Optane DC Persistent Memory: Supported
- Max Memory Capacity (per socket): 2 TB (M-suffix)
- PCIe Lanes: 48 (PCIe 3.0)
- Instruction Sets & Features: AVX-512 (2 FMA), Intel DL Boost (VNNI), AES-NI, VT-x, VT-d
- Scalability: Up to 8-socket platforms (platform dependent)
- Thermal Solution: Heatsink/fan typically sold separately
- Enterprise RAS: Machine Check, ECC, memory mirroring/sparing (platform dependent)

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