• Cisco N9K-X9624D-R2 Nexus 9000 switch with 24x400G QSFP-DD ports
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Cisco

Cisco N9K-X9624D-R2 | 24x400G QSFP-DD; PoE: none; R2 deep-buffer; NX-OS/ACI mode

N9K-X9624D-R2

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Description

Next-generation 400G data center line card with QSFP-DD ports and deep buffers for burst absorption and lossless fabrics. Designed for high-scale VXLAN EVPN leaf/spine or core roles with flexible 100/200/400G optics and breakouts.

Features

- 24-port 400G density for scale-out fabrics
- Deep-buffer architecture to minimize packet loss under burst
- Flexible 100/200/400G operation with breakout options
- Optimized for VXLAN EVPN leaf-spine and core roles
- Telemetry-ready for modern observability pipelines

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: 24x 400G QSFP-DD
- Speed flexibility: 100/200/400G with supported optics/cables
- Deep-buffer R2 architecture for congestion and microburst handling
- Operating modes: NX-OS standalone or Cisco ACI fabric
- Breakout support: 4x100G or 8x50G (platform/optic dependent)
- Optics forms: QSFP-DD; backward support for QSFP56/QSFP28 via adapters where supported
- Use cases: Spine/core, 400G aggregation, AI/ML cluster fabrics
- Traffic engineering: PFC/ECN ready for lossless Ethernet (per software support)
- Telemetry: Extensive counters and streaming telemetry (per release)
- Chassis compatibility: Nexus 9500 Series with compatible supervisors/fabrics

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