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

Cisco N9K-X9624D-R2 | Nexus 9500 R-Series 24-Port 400G Line Card, 9.6 Tbps, QSFP-DD

N9K-X9624D-R2

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Description

The Cisco N9K-X9624D-R2 is a high-density 400 Gigabit Ethernet line card engineered for the Nexus 9500 modular data center platform. With 24 QSFP-DD ports supporting 100GbE or 400GbE connectivity, it delivers 9.6 Tbps per slot switching capacity and leverages Broadcom Tomahawk 3 silicon with deep buffers to absorb microbursts and maintain low-latency performance. Ideal for hyperscale data centers, cloud infrastructure, and high-performance computing environments requiring maximum throughput and density.

Features

24x 400G QSFP-DD ports with 100G/400G flexibility per port
- 9.6 Tbps per-slot switching capacity for hyperscale data centers
- Broadcom Tomahawk 3 silicon for low-latency, high-performance forwarding
- R2 deep-buffer architecture to mitigate microbursts and prevent packet drops
- Hot-swappable, field-replaceable line card for zero-downtime maintenance
- Support for NX-OS standalone and Cisco ACI fabric modes
- Clos fabric architecture with direct line card to fabric module connectivity
- Fabric redundancy support (N+1 or N+2) for high availability
- Advanced Layer 2 and Layer 3 features including VXLANs, EVPN, and multicast
- Programmability via NX-API, Python, and Ansible for automation
- Integrated telemetry and analytics for real-time network visibility
- Energy-efficient design optimized for data center deployment

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

FAQs

Technical Specifications

Port Configuration: 24x 400G QSFP-DD ports (each port supports 100GbE or 400GbE)
- Switching Capacity: 9.6 Tbps per slot
- Form Factor: Nexus 9500 R-Series line card module
- Chipset: Broadcom Tomahawk 3 ASIC
- Buffer Architecture: Deep buffer (R2) design for microburst absorption
- Compatible Chassis: Cisco Nexus 9500 8-slot chassis (N9K-C9508)
- Operating System: Cisco NX-OS 7.0(11) or later
- Management: NX-OS CLI, SNMP, Cisco ACI support
- Network Modes: NX-OS standalone mode or ACI fabric mode
- Hot-Swappable: Yes, field-replaceable line card

FAQs

Q: Which Cisco Nexus chassis is compatible with the N9K-X9624D-R2?
A: The N9K-X9624D-R2 is designed for the Cisco Nexus 9500 R-Series 8-slot modular chassis (N9K-C9508). It requires R-Series fabric modules and is not compatible with Classic or Cloud-Scale line card configurations.

Q: Can this line card support both 100G and 400G transceivers simultaneously?
A: Yes, each of the 24 QSFP-DD ports can independently support either 100GbE or 400GbE optics, allowing mixed configurations based on connectivity requirements. Refer to the Cisco Optics Compatibility Matrix for supported transceiver modules.

Q: What is the advantage of the R2 deep-buffer architecture?
A: The R2 deep-buffer design provides enhanced buffering capacity to absorb traffic microbursts and prevent packet loss in high-congestion scenarios. This is critical for storage networks, AI/ML workloads, and large-scale cloud environments with variable traffic patterns.

Q: Does this line card support Cisco ACI (Application Centric Infrastructure)?
A: Yes, the N9K-X9624D-R2 supports both NX-OS standalone mode and Cisco ACI fabric mode, enabling policy-driven automation and programmable data center networking when deployed with APIC controllers.

Q: What is the minimum NX-OS software version required?
A: The line card requires Cisco NX-OS software version 7.0(11) or later for full functionality. Always verify current software compatibility and feature support in the Nexus 9500 release notes before deployment.

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