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Cisco

Cisco HX-CPU-A7643 | EPYC 7643 | 48C/96T, 2.3/3.6 GHz, 256MB L3, 225W TDP, SP3, DDR4-3200 8-ch, PCIe 4.0 x128, Zen 3 (Milan)

SKU:HX-CPU-A7643

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Description

EPYC 7643 provides a strong balance of 48 cores and Zen 3 efficiency for scale‑out virtualization, analytics, and cloud‑native services. It combines high core density, broad memory bandwidth, and extensive PCIe 4.0 lanes for flexible I/O expansion in SP3 platforms.

Features

- 48 cores for dense virtualization and parallel workloads
- Efficient 225 W TDP for performance per watt
- 128 lanes PCIe 4.0 for high‑speed storage and networking
- 8‑channel DDR4‑3200 for high throughput memory access
- Enterprise‑grade security and virtualization support

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’s the ideal use case for EPYC 7643?
A: Scale‑out virtualization, container platforms, analytics, and general multi‑tenant compute where core count and efficiency matter.

Q: Do I need paired CPUs in a dual‑socket server?
A: Yes, use identical models and steppings for dual‑socket configurations.

Q: Is PCIe Gen4 supported across all lanes?
A: Yes, EPYC 7003 provides up to 128 PCIe 4.0 lanes per socket, subject to platform design.

Q: What memory population is recommended?
A: Populate all 8 channels per socket symmetrically for maximum bandwidth and stability.

Technical Specifications

- Architecture: Zen 3 (Milan)
- Cores / Threads: 48 / 96
- Base / Max Boost Clock: 2.3 GHz / up to 3.6 GHz
- Total L3 Cache: 256 MB
- TDP: 225 W
- Socket: SP3 (LGA 4094)
- Memory Support: 8‑channel DDR4‑3200 ECC RDIMM/LRDIMM
- Max Memory (per socket): up to 4 TB (platform dependent)
- PCI Express: 128 lanes, PCIe 4.0
- Process Technology: 7 nm
- Security: AMD Infinity Guard (SEV, SME, SEV‑ES)
- Virtualization: AMD‑V, IOMMU
- Platform Generation: EPYC 7003 series

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