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Cisco UCS-CPU-I8280L | Xeon Platinum 8280L | 28C/56T, 2.7 GHz, 205W, 38.5MB L3, DDR4-2933, up to 4.5TB mem, LGA3647, Optane DC, 3x UPI 10.4GT/s

SKU:UCS-CPU-I8280L

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Description

High-memory 2nd Gen Xeon Scalable processor for LGA3647 platforms, ideal for dense virtualization and in-memory workloads. The 8280L delivers 28 cores at 2.7 GHz with AVX-512 and DL Boost acceleration, plus support for Intel Optane DC Persistent Memory and up to 4.5 TB RAM per socket. Designed for multi-socket scale-out with three UPI links at 10.4 GT/s.

Features

- High-memory L SKU: scale to 4.5 TB RAM per socket for in-memory databases and analytics
- 28 cores with AVX-512 and DL Boost for intensive compute and AI inference
- Optane DC Persistent Memory support for large, affordable memory tiers
- Triple UPI links (10.4 GT/s) for strong multi-socket scalability
- Enterprise-grade RAS and ECC for mission-critical uptime

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 platforms is the 8280L compatible with?
A: Servers with LGA3647 sockets that support 2nd Gen Xeon Scalable (Cascade Lake), subject to the system’s CPU and BIOS support matrix.

Q: How is the 8280L different from the 8280M?
A: Both are 28-core Cascade Lake parts at 2.7 GHz, but the 8280L supports up to 4.5 TB RAM per socket while the 8280M supports up to 2 TB.

Q: Does this CPU support Intel Optane Persistent Memory?
A: Yes, it supports Intel Optane DC Persistent Memory (100 series) alongside DDR4-2933.

Q: Is AVX-512 supported and what’s the benefit?
A: Yes. AVX-512 and DL Boost accelerate HPC, AI inference, analytics, and vectorized workloads.

Technical Specifications

- CPU model: Xeon Platinum 8280L (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 4.5 TB (L high-memory SKU)
- 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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