• Cisco N9K-X9716D-GX 16x 400GbE QSFP-DD spine line card for Nexus 9500
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Cisco

Cisco N9K-X9716D-GX | Nexus 9500 16-Port 400G Line Card, 12.8Tbps, QSFP-DD

N9K-X9716D-GX

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Description

The Cisco N9K-X9716D-GX is a high-performance line card designed for Nexus 9500 series modular chassis, delivering 16 ports of 400 Gigabit Ethernet in QSFP-DD form factor. With 12.8 Tbps throughput per slot and support for NX-OS and ACI spine deployments, this GX-series line card is built for hyperscale data centers requiring maximum bandwidth, wire-rate MACsec encryption on all ports, and flexible breakout to lower speeds including 100G, 50G, 40G, 25G, and 10G.

Features

400 Gigabit Ethernet: 16 QSFP-DD ports delivering up to 6.4 Tbps of total bandwidth
- Cisco LS6400GX ASIC: Dual cloud-scale ASICs provide advanced packet processing and low latency
- MACsec encryption: Hardware-accelerated IEEE 802.1AE encryption across all ports for secure connectivity
- Multi-rate support: Native 400G with breakout to 200G, 100G, 50G, 40G, 25G, and 10G
- ACI and NX-OS modes: Flexible operation as ACI spine or standalone NX-OS for diverse architectures
- Hot-swappable design: Field-replaceable with front-access for minimal downtime
- Clos fabric architecture: Full mesh connectivity across FM-G fabric modules for non-blocking performance
- Advanced telemetry: Streaming telemetry and model-driven programmability for real-time monitoring
- High availability: Fabric redundancy and graceful degradation in the event of fabric module failure
- Energy-efficient design: Modern silicon reduces power consumption per Gbps

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

16 x 400 Gigabit Ethernet QSFP-DD ports
- Throughput: 12.8 Tbps per slot
- Port breakout support: 100G, 50G, 40G, 25G, 10G
- Switching architecture: Two Cisco LS6400GX ASICs
- MACsec: Wire-rate encryption on all front-panel ports (NX-OS Release 10.2(1)F+)
- Compatible with Cisco Nexus 9500 chassis with FM-G fabric modules
- Operating modes: Cisco NX-OS standalone or ACI spine
- Hot-swappable, front-accessible installation
- Management: NX-OS CLI, SNMP, NETCONF, RESTCONF, streaming telemetry

FAQs

Q: Which chassis is the N9K-X9716D-GX compatible with?
A: This line card is designed for Cisco Nexus 9500 series modular chassis (N9K-C9504, N9K-C9508, N9K-C9516) and requires FM-G generation fabric modules for full 6.4 Tbps fabric bandwidth per line card.

Q: Can I mix this GX line card with other line card generations?
A: Yes, the N9K-X9716D-GX can be installed alongside EX, FX, and FX3 line cards in the same chassis. However, when mixed, the chassis will support a maximum of four fabric modules, and any advanced features requiring more fabrics will be disabled.

Q: Does this line card support breakout configurations?
A: Yes, each 400G QSFP-DD port supports flexible breakout to 2x200G, 4x100G, 8x50G, 4x50G, 4x25G, or 4x10G, providing deployment flexibility for different bandwidth requirements.

Q: Is MACsec encryption supported on this line card?
A: Yes, the N9K-X9716D-GX includes hardware MACsec encryption on all 16 front-panel ports, supported from Cisco NX-OS Release 10.2(1)F onward, enabling secure Layer 2 encryption for data-in-transit protection.

Q: What licensing is required for this line card?
A: A Transport Services License (L-N9K-X9700TX) is required for operation. Additional feature licenses may be needed for advanced capabilities depending on your deployment requirements and software release.

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