• Cisco HX-CPU-I8280M Xeon Platinum 8280M green CPU chip with gold pins
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Cisco

Cisco HX-CPU-I8280M | Xeon Platinum 8280M | 28C/56T 2.7GHz, 38.5MB L3, 205W, DDR4-2933, Optane DC PMem, Max Mem 2TB

HX-CPU-I8280M

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Description

The Xeon Platinum 8280M pairs 28 cores at 2.7 GHz base with expanded memory capacity—up to 2 TB per socket—suited for large virtualized environments and in-memory analytics. It includes 38.5 MB L3 cache, a 205W TDP, 6-channel DDR4-2933, and Optane DC Persistent Memory support for high-capacity, high-bandwidth systems.

Features

- 28 cores at 2.7 GHz base for high-density virtualization
- Expanded memory capacity up to 2 TB per socket
- DDR4-2933 and Optane DC PMem support for bandwidth and capacity at scale
- AVX-512 and DL Boost for accelerated compute and AI inference
- 48 PCIe 3.0 lanes enable rich I/O and accelerator options
- Enterprise RAS and virtualization features for resilient operation

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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Technical Specifications

FAQs

Technical Specifications

- Series: Xeon Platinum 8200 (2nd Gen Xeon Scalable, Cascade Lake)
- Model: 8280M
- Cores / Threads: 28 / 56
- Base Frequency: 2.7 GHz
- Smart Cache (L3): 38.5 MB
- TDP: 205 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)

FAQs

Q: What does the M suffix provide over the standard 8280?
A: The M suffix increases supported memory capacity to 2 TB per socket; performance characteristics remain comparable.

Q: Is a cooler included with this processor?
A: No. Heatsinks and fans are sold separately per server model.

Q: Does it support Optane DC Persistent Memory?
A: Yes, when used in a compatible platform with proper configuration.

Q: Can I mix different CPU models in a dual-socket system?
A: No. Use identical CPU models and steppings across sockets.

Q: What should I verify for compatibility?
A: Confirm LGA3647 socket, BIOS/firmware support, VRM/TDP capacity, and that the CPU is on your server’s approved list.

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