Product Overview:
The Cisco N9K-X9732C-EX and N9K-X9736C-FX are high-performance line
cards for the Cisco Nexus 9500 Series switches. The N9K-X9732C-EX
offers 32 ports of 100 Gigabit Ethernet, while the N9K-X9736C-FX
provides 36 ports of 40/100 Gigabit Ethernet. Both are designed for
scalable, high-density data center environments supporting Cisco
NX-OS and ACI modes.
Product Description:
The N9K-X9732C-EX line card delivers 32 fixed 100G QSFP28 ports
with deep buffers and MACsec encryption, making it ideal for spine
and core layers demanding high throughput and security. The
N9K-X9736C-FX provides 36 QSFP+ ports configurable for 40G or 100G
speeds, optimized for flexible uplink and aggregation use cases.
Both line cards offer low latency, extensive programmability, and
support advanced telemetry and automation.
Key Features:
N9K-X9732C-EX: 32 x 100G fixed QSFP28 ports
N9K-X9736C-FX: 36 x QSFP+ ports supporting 40G or 100G
Deep buffer architecture for burst absorption
MACsec encryption support
Compatible with Cisco NX-OS and ACI modes
Hot-swappable and high availability design
Suitable for spine, core, and aggregation layers
Technical Specifications:
| Model | Ports | Interface Type | Speed Support | Buffer | MACsec | Use Case |
|---|
| N9K-X9732C-EX | 32 | QSFP28 fixed | 100G | Deep | Yes | High-density 100G spine/core |
| N9K-X9736C-FX | 36 | QSFP+ | 40G/100G | Deep | Yes | Flexible uplinks and aggregation |
