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Cisco

Cisco HCI-CPU-I5512U | 28-core, 2.1 GHz base, 185W TDP, DDR5-4800, LGA4677, PCIe 5.0 (single-socket U)

SKU:HCI-CPU-I5512U

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Description

High-core, single-socket optimized CPU for dense virtualization, HCI nodes, and scale-up analytics. Designed for DDR5-4800 memory platforms with next-gen I/O for high-throughput workloads.

Features

- Single-socket optimized (U-suffix) for cost-efficient performance per socket
- 28 cores for dense multi-VM and containerized workloads
- DDR5-4800 support for high memory bandwidth
- PCIe 5.0 I/O for accelerated storage and networking
- Enterprise-grade virtualization and security extensions

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 socket and memory does this CPU require?
A: It uses LGA4677 and supports DDR5-4800 RDIMMs; confirm compatibility with your server model and BIOS level.

Q: Is this suitable for dual-CPU configurations?
A: No. U-suffix models are single-socket only.

Q: Does it include a heatsink or fan?
A: Typically sold as a processor only. Use the server-specific heatsink/airflow kit recommended by your platform vendor.

Q: How many PCIe lanes are available?
A: Platform-dependent, up to 80 lanes of PCIe 5.0 per socket on supported systems.

Q: What workloads is it best for?
A: Virtualization, HCI, medium to heavy analytics, and mixed compute with high memory bandwidth.

Technical Specifications

- Processor class: 4th Gen Scalable (Sapphire Rapids)
- Cores / Threads: 28C / 56T (Hyper-Threading)
- Base frequency: 2.1 GHz
- TDP: 185 W
- Cache: approx. 52.5 MB L3
- Memory support: DDR5-4800 RDIMM, 8 channels per socket (platform dependent)
- Socket: LGA4677
- PCIe: up to 80 lanes PCIe 5.0 (system dependent)
- Multi-socket capability: U-suffix, single-socket only
- Instruction set & features: 64-bit, AVX-512, advanced security and virtualization extensions (VT-x/VT-d)

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