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Cisco

Cisco UCS-FI-6536-D-U | 36p 40/100G QSFP28; uplinks: up to 36x 40/100G; PoE: N/A; Mgmt: UCS Manager

SKU:UCS-FI-6536-D-U

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Description

High-throughput QSFP28 fabric interconnect for UCS domains with 36 ports of 40/100G and optional 4x25G breakout, delivering unified LAN/SAN and resilient HA operation. Built for policy-based automation with UCS Manager and redundant, hot-swap components for continuous availability.

Features

- High-density 40/100G aggregation for UCS fabrics
- Unified LAN/SAN with lossless Ethernet (FCoE)
- Flexible server connectivity via 4x25G breakouts
- Redundant hot-swap power and fans for resilience
- Centralized, policy-driven operations via UCS Manager
- Low-latency architecture tuned for UCS 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: What management mode does this model use?
A: It is intended for UCS Manager–managed domains and can be monitored/automated via Intersight.

Q: Is there PoE support?
A: No. These data center ports do not provide PoE.

Q: Can I use QSFP28 to 4x25G breakout for server links?
A: Yes, when using supported breakout cables/optics and platform features.

Q: Does it support FCoE for SAN traffic?
A: Yes. It provides a lossless Ethernet fabric for FCoE as part of UCS.

Q: Is this a general-purpose core switch?
A: No. It operates as a UCS fabric interconnect rather than a standalone L3 switch.

Technical Specifications

- 36 x QSFP28 ports supporting 40/100G operation
- Unified fabric (Ethernet + FCoE) for converged I/O
- 4x25G breakout support on QSFP28 (where supported)
- Redundant, hot-swappable power supplies and fans
- Designed for A/B fabric HA deployments in UCS
- Low-latency switching optimized for UCS server traffic
- Managed via UCS Manager; integrates with Intersight
- Supports platform-qualified QSFP28 optics, DACs, and AOCs

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