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Cisco

Cisco HCIX-CPU-I6421N | 32-core CPU, 1.8GHz base, 60MB L3, 185W TDP, DDR5-4400

SKU:HCIX-CPU-I6421N

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Description

4th Gen Intel Xeon Scalable processor designed for scale-out virtualization, analytics, and edge/cloud infrastructure in UCS servers. High core density with robust I/O and DDR5 delivers dependable throughput for multi-VM and containerized workloads.

Features

- 32 cores for high-density virtualization and container platforms
- DDR5-4400 support for balanced bandwidth and capacity
- PCIe 5.0 for modern NICs, storage, and accelerators
- Intel AMX/AVX‑512 acceleration for AI/analytics workloads
- Platform security and virtualization features for multi-tenant deployments
- Optimized for scale-out UCS server configurations

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: Is this CPU qualified for UCS X- or C-Series?
A: It targets UCS platforms using 4th Gen Xeon and LGA4677. Check the specific UCS model’s hardware compatibility list for this exact CPU.

Q: Why is the maximum memory speed listed as 4400 MT/s?
A: Maximum supported speed is CPU dependent; actual speed also varies with DIMM configuration and capacity.

Q: Do I need a specific BIOS version?
A: Yes. Ensure your server firmware/BIOS meets or exceeds the minimum version required for this CPU stepping.

Q: Can I use this CPU alongside a different Xeon model?
A: No. Dual-socket systems require matching CPUs of the same model and stepping.

Q: Are hardware virtualization and IOMMU supported?
A: Yes, VT-x and VT-d are supported for virtualization and device passthrough.

Technical Specifications

- Generation: 4th Gen Intel Xeon Scalable (Sapphire Rapids)
- Cores: 32
- Base Frequency: 1.8 GHz
- L3 Cache: 60 MB
- TDP: 185 W
- Memory Support: DDR5 RDIMM up to 4400 MT/s
- Memory Channels: 8-channel DDR5
- Socket: LGA4677
- I/O: PCIe 5.0 (lane count platform-dependent)
- Acceleration: Intel AMX, AVX-512
- Security: Intel TME, VT-x, VT-d

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