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Cisco UCS-CPU-I8280M | Xeon Platinum 8280M | 28C/56T, 2.7 GHz, 205W, 38.5MB L3, DDR4-2933, up to 2TB mem, LGA3647, Optane DC, 3x UPI 10.4GT/s

SKU:UCS-CPU-I8280M

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Description

Balanced-capacity 2nd Gen Xeon Scalable CPU for LGA3647 systems, featuring 28 cores at 2.7 GHz and robust acceleration via AVX-512 and DL Boost. Supports DDR4-2933 and Intel Optane DC Persistent Memory with up to 2 TB per socket for memory-hungry yet cost-optimized deployments. Ideal for virtualization clusters, data analytics, and general-purpose enterprise compute.

Features

- 28 cores at 2.7 GHz for high-performance enterprise workloads
- Memory capacity tuned for cost-effective large-memory deployments (up to 2 TB/socket)
- AVX-512 and DL Boost for HPC, analytics, and AI inference acceleration
- Triple UPI links to optimize multi-socket scaling
- Enterprise-grade RAS and ECC memory support

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: What differentiates the 8280M from the 8280L?
A: Both offer 28 cores at 2.7 GHz; the 8280M supports up to 2 TB per socket, whereas the 8280L supports up to 4.5 TB.

Q: Is Optane DC Persistent Memory supported?
A: Yes, Optane DC PMem (100 series) is supported alongside DDR4-2933.

Q: Can this CPU be used in dual- or quad-socket systems?
A: Yes, subject to the server’s design and CPU support list; it provides three UPI links for inter-socket communication.

Q: Do I need matched CPUs in a multi-socket server?
A: Yes, use identical model, stepping, and frequency for stability and full feature enablement.

Technical Specifications

- CPU model: Xeon Platinum 8280M (2nd Gen Xeon Scalable, Cascade Lake)
- Cores / Threads: 28 / 56
- Base frequency: 2.7 GHz
- L3 cache: 38.5 MB
- TDP: 205 W
- Socket: FCLGA3647
- UPI: 3 links up to 10.4 GT/s
- Memory support: 6-channel DDR4-2933 ECC
- Max memory per socket: up to 2 TB (M capacity tier)
- Persistent memory: Intel Optane DC Persistent Memory (100 series) supported
- Instruction set: Intel AVX-512, Intel DL Boost (VNNI), AES-NI
- Virtualization: Intel VT-x, VT-d, EPT
- Process technology: 14nm

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