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Cisco

Cisco HX-CPU-A7543P | 32C/64T CPU | 2.8/3.7 GHz | 256MB L3 | 225W TDP | SP3 (1P-only) | PCIe 4.0 x128 | 8-ch DDR4-3200 | 7nm Zen 3

SKU:HX-CPU-A7543P

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Description

Single-socket–optimized 32-core processor delivering Milan-class performance without dual-socket overhead. Ideal for scale-up single-socket servers needing maximum I/O with 128 PCIe 4.0 lanes and high memory bandwidth.

Features

- Single-socket optimization for lower platform cost and power
- Zen 3 architecture for high IPC and balanced performance
- Large 256MB L3 cache accelerates memory-intensive tasks
- Full 128 lanes of PCIe 4.0 for extensive I/O expansion
- Enterprise security features for protected workloads

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: Can this CPU be used in dual-socket servers?
A: No. The ‘P’ designation indicates support for single-socket (1P) platforms only.

Q: What memory speed and channels are supported?
A: 8 channels of DDR4-3200 with ECC are supported.

Q: Is PCIe 4.0 available?
A: Yes, 128 lanes of PCIe 4.0 are supported in a 1P configuration.

Q: Is a heatsink included?
A: Heatsinks are typically provided by the server platform; follow vendor guidance.

Q: What workloads benefit from a single-socket 32-core CPU?
A: Virtualization, databases, storage-optimized nodes, and applications preferring high I/O density without dual-socket complexity.

Technical Specifications

- Architecture: Zen 3 (7nm) ‘Milan’
- Cores / Threads: 32 / 64
- Base / Max Boost Clock: 2.8 GHz / up to 3.7 GHz
- L3 Cache: 256 MB
- TDP: 225 W
- Socket: SP3
- Multi-Socket Support: 1P-only (not supported in dual-socket systems)
- Memory Support: 8-channel DDR4-3200, ECC
- Max Memory Capacity: up to 4 TB per socket (platform dependent)
- PCIe: 128 lanes, PCIe 4.0
- Virtualization/Security: AMD-V, SEV/SME (Infinity Guard)

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