Cisco N9K-X9736C-FX 36-Port 100G QSFP28 Cloud-Scale Line Card
The Cisco N9K-X9736C-FX is a high-performance 36-port 100-Gigabit Ethernet cloud-scale line card engineered for the Cisco Nexus 9500 Series modular chassis. Designed for large-scale data center and cloud deployments, this line card delivers exceptional throughput, flexibility, and reliability to support modern east-west and north-south traffic patterns.
Built on Cisco’s cloud-scale ASIC architecture, the N9K-X9736C-FX delivers high packet forwarding performance, deep buffering, and advanced telemetry for real-time visibility. Optimized for both Cisco NX-OS and Cisco ACI environments, the line card supports secure, policy-driven networking.
| Parameter | Specification |
|---|---|
| Manufacturer | Cisco Systems, Inc. |
| Model | N9K-X9736C-FX |
| Product Type | Cloud-Scale Line Card / Expansion Module |
| Compatible Chassis | Cisco Nexus 9504, 9508, and 9516 |
| Ports | 36 x QSFP28 |
| Port Speed | 100 Gigabit Ethernet / 40 Gigabit Ethernet |
| Breakout Support | 1x100G, 2x50G, 1x40G, 4x25G, 4x10G |
| Switching Capacity | 3.6 Tbps (per card) / 7.2 Tbps (with 5 fabric modules) |
| Forwarding Performance | Up to 1.2 Bpps (billion packets per second) |
| Packet Buffer | 160 MB |
| Fabric Modules Required | 5x N9K-C95xx-FM-E/E2 for maximum bandwidth |
| FCoE NPV Support | Supported with N9K-C9508-FM-E or N9K-C9504-FM-E fabric modules |
| Typical Power Consumption | Approximately 600 W |
| Weight | 13.67 lbs (6.2 kg) |
| Hot-Swappable | Yes |
| Airflow | Port-side intake |
| Compliance Standards | AS/NZS, CISPR, EN, FCC, RoHS 6/6, UL 60950-1, VCCI Class A |
The N9K-X9736C-FX is compatible with the following Cisco Nexus 9500 Series chassis:
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Nexus 9504 (4-slot chassis)
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Nexus 9508 (8-slot chassis)
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Nexus 9516 (16-slot chassis)
To achieve maximum bandwidth, the N9K-X9736C-FX requires:
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5x N9K-C95xx-FM-E or FM-E2 fabric modules
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The N9K-X9736C-FX works with FX and GX series line card modules
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Fabric modules in a modular switch must all be of the same type
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FM 5 (slot 25) only works with N9K-X9736C-FX, N9K-X9736Q-FX, and N9K-X9736C-FX3
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FCoE NPV is supported only with fabric modules N9K-C9508-FM-E or N9K-C9504-FM-E
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