• Cisco N9K-X9736C-EX 36-port 100G QSFP28 switch with green PCB
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Cisco

Cisco N9K-X9736C-EX | Nexus 9500 36-Port 100G QSFP28 Line Card, 7.2 Tbps

N9K-X9736C-EX

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Description

The Cisco N9K-X9736C-EX is a high-density 36-port 100 Gigabit Ethernet line card designed for the Nexus 9500 modular chassis platform. Ideal for cloud-scale data center aggregation and spine deployments, it delivers up to 7.2 Tbps of bandwidth per slot with support for flexible port breakout configurations including 2x50G, 1x40G, 4x25G, 4x10G, and 1x1G. Powered by Cisco Cloud Scale ASICs, this line card provides advanced Layer 2 and Layer 3 features with NX-OS or ACI mode operation for scalable, high-performance networking.

Features

36x 100 Gigabit Ethernet QSFP28 ports with flexible breakout support
- Powered by Cisco Cloud Scale LSE ASICs for high-performance packet forwarding
- Support for NX-OS mode and ACI spine mode deployment
- 160 MB on-board buffer for traffic management
- Hot-swappable and front-accessible for simplified maintenance
- VXLAN and EVPN support for overlay networking
- Advanced Layer 2 and Layer 3 features including VRF, OSPF, BGP, and IS-IS
- IEEE 802.1Q VLAN tagging and trunking
- Jumbo frame support up to 9216 bytes
- Quality of Service (QoS) with priority queuing and traffic shaping
- Unicast and multicast routing capabilities
- IPv4 and IPv6 dual-stack support
- Comprehensive network management via CLI, SNMP, and NETCONF/RESTCONF APIs
- Telemetry streaming for real-time network monitoring
- Compatible with Cisco Cloud Scale fabric modules for scalable bandwidth
- 1:1.125 oversubscription for near line-rate performance

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

36x 100 Gigabit Ethernet QSFP28 ports
- Port breakout support: 1x100G, 2x50G, 1x40G, 4x25G, 4x10G, 1x1G per port
- Maximum bandwidth: 7.2 Tbps per slot (with 4x fabric modules)
- Fabric bandwidth: 3.2 Tbps with four Cloud Scale fabric modules (N9K-C95XX-FM-E)
- Powered by four Cisco LSE Cloud Scale ASICs
- 160 MB buffer memory
- Oversubscription ratio: 1:1.125
- Compatible with Nexus 9500 chassis: N9K-C9504, N9K-C9508, N9K-C9516
- Requires N9K-C95XX-FM-E fabric modules (4 modules minimum)
- Operating modes: NX-OS mode and ACI spine mode
- Hot-swappable, front-accessible design
- Power consumption: 673W typical
- Weight: 14.6 lb (6.62 kg)
- MTBF: 435,710 hours
- Certifications: RoHS-6 compliant, FCC, UL

FAQs

Q: What chassis platforms support the N9K-X9736C-EX line card?
A: The N9K-X9736C-EX is compatible with Cisco Nexus 9500 Series modular chassis including the 4-slot (N9K-C9504), 8-slot (N9K-C9508), and 16-slot (N9K-C9516) models. It requires N9K-C95XX-FM-E fabric modules for operation and supports mixing with other EX-series line cards.

Q: Can the 100G ports be broken out to lower speeds?
A: Yes, each QSFP28 port supports flexible breakout configurations: 1x100G, 2x50G, 1x40G, 4x25G, 4x10G, and 1x1G Ethernet. This allows you to adapt port configurations to match your deployment requirements and maximize connectivity options.

Q: What is the maximum bandwidth per slot for this line card?
A: The N9K-X9736C-EX delivers up to 7.2 Tbps maximum bandwidth per slot. With four Cloud Scale fabric modules installed, it provides 3.2 Tbps of fabric bandwidth. The line card has a 1:1.125 oversubscription ratio, making it ideal for high-throughput aggregation and spine applications.

Q: Does this line card support both NX-OS and ACI modes?
A: Yes, the N9K-X9736C-EX supports operation in both NX-OS standalone mode and ACI spine mode. This provides deployment flexibility for traditional data center architectures as well as Cisco Application Centric Infrastructure environments.

Q: What optics are compatible with the N9K-X9736C-EX?
A: The line card supports a comprehensive range of 100G QSFP28 optics including 100GBASE-SR4, 100GBASE-LR4, and 100GBASE-CWDM4 modules, as well as 40G and lower-speed optics when using breakout configurations. Consult the Cisco Optics Compatibility Matrix for the complete supported optics list and minimum software requirements.

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