Cisco

Cisco NCS4K-4H-QDD-P | 400G packet line card • QSFP-DD client ports • high-density 400G

SKU:NCS4K-4H-QDD-P

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Description

High-density 400G packet line card for the NCS 4000 family featuring QSFP-DD client interfaces. Built for next-generation 400G services and high-throughput aggregation, providing flexible client pluggable choices and streamlined operations in large-scale core and aggregation environments.

Features

- QSFP-DD client ports for 400G services
- High-density 400G aggregation on NCS 4000
- Flexible optics to match reach and power needs
- Built for scalable core and DCI deployments

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: Does the card include QSFP-DD transceivers?
A: No. QSFP-DD optics are sold separately.

Q: Is OTN supported on this card?
A: This model is focused on 400G packet services. For OTN features, verify your exact hardware variant and licensing.

Q: What software release is required?
A: Consult your platform software compatibility matrix for the minimum release supporting QDD line cards.

Q: Can I mix different QSFP-DD transceivers?
A: Mixing is generally supported per-port, subject to platform software and power budgets.

Q: Is any license needed for 400G operation?
A: Some features or port activations may require licenses. Check your entitlement plan.

Technical Specifications

- Form factor: NCS 4000 line card (QDD class)
- Client interfaces: QSFP-DD (pluggable, sold separately)
- Per-port speed: up to 400G (optics dependent)
- Aggregate throughput: up to 400G+ per slot (platform dependent)
- Traffic types: High-speed packet transport
- Use cases: 400G service edge, core aggregation, data center interconnect

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