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Cisco UCSX-CPU-I8558 | Xeon Platinum 8558 | 2.1 GHz base | 260 MB L3 | DDR5-5600 | LGA4677 | PCIe 5.0 | 5th Gen

Cisco UCSX-CPU-I8558 | Xeon Platinum 8558 | 2.1 GHz base | 260 MB L3 | DDR5-5600 | LGA4677 | PCIe 5.0 | 5th Gen

SKU:UCSX-CPU-I8558

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Description

A 5th Gen Xeon Scalable processor with a very large 260 MB L3 cache tuned for memory- and cache-sensitive enterprise workloads. The 2.1 GHz base frequency balances performance and efficiency, while DDR5-5600 and PCIe 5.0 deliver high bandwidth for modern storage and accelerators. Built for LGA4677 platforms, it is well suited to databases, analytics, microservices, and virtualized environments.

Features

Very large 260 MB L3 cache for cache-sensitive applications
- DDR5-5600 and 8 memory channels for high bandwidth
- PCIe 5.0 connectivity for accelerators and NVMe storage
- Built on 5th Gen core enhancements for improved per-core performance
- AI acceleration with AMX and AVX-512

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: Which generation is this CPU?
A: It is a 5th Gen Xeon Scalable (Emerald Rapids) processor for LGA4677 platforms.

Q: What memory speed is supported?
A: DDR5 up to 5600 MT/s depending on DIMM population and server design.

Q: Does it support PCIe 5.0 devices?
A: Yes, it supports up to 80 PCIe 5.0 lanes for high-speed I/O.

Q: What types of workloads benefit from the 260 MB L3 cache?
A: In-memory databases, analytics, caching layers, and heavily virtualized environments benefit from the large L3.

Technical Specifications

CPU family: Xeon Platinum 8558 (5th Gen, Emerald Rapids)
- Base frequency: 2.1 GHz
- L3 cache: 260 MB
- Socket: LGA4677 (Socket E)
- Max memory speed: DDR5-5600 (platform dependent)
- Memory channels: 8-channel DDR5
- PCIe: Up to 80 lanes PCIe 5.0
- Acceleration: AVX-512, AMX, DL Boost (platform dependent)
- Scalability: Multi-socket capable (platform dependent)

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