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Cisco

Cisco NC55-18DD-SE | Line card | 18x400GE or 30x200GE | QSFP-DD | up to 7.2 Tbps | SE variant | for NCS 5500

SKU:NC55-18DD-SE

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Description

400G-capable scale line card (SE variant) for NCS 5500 platforms, supporting flexible configurations up to 18x400GE or 30x200GE via QSFP-DD optics. Ideal for high-throughput deployments requiring efficient scalability and port versatility.

Features

- High-density 400G ports with flexible 200G options
- SE variant tailored for scalable high-throughput deployments
- Supports breakout to optimize port utilization
- Engineered for core, aggregation, and edge scalability

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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Technical Specifications

Technical Specifications

- Port density: Up to 18x400GE or 30x200GE (platform/profile-dependent)
- Optics form factor: QSFP-DD
- Aggregate throughput: Up to ~7.2 Tbps
- Breakout support: Where supported (e.g., 2x200G or 4x100G per port with suitable optics)
- Variant: SE (Scale/Service Edge variant, model-dependent capabilities)
- Compatibility: NCS 5500 Series chassis supporting 400G SE line cards
- OIR: Supported on compatible chassis/software

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