N9K-SUP-A is supervisor modules of Cisco Nexus 9500 series. N9K-SUP-A is a pair of redundant supervisor modules manages all switch operations using a state-synchronized, active-standby model. The supervisor accepts an external clock and supports management through multiple ports – two USB ports, a serial port, and a 10/100/1000-Mbps Ethernet port. All supervisors support Cisco ACI or NX-OS deployments. Redundant supervisors should be of the same type within a chassis.
| Product Code | N9K-SUP-A |
| Processor | 4 core, 4 thread 1.8GHz x86 |
| DRAM | 16GB |
| SSD | 64GB |
| Typical power | 69 W |
N9K-SUP-A Specification | |
| Processor | 4 core, 4 thread 1.8GHz x86 |
| DRAM | 16GB |
| SSD | 64GB |
| Typical power | 69 W |
| Maximum power | 80 W |
| MTBF hours | 312,070 |
| Hot swappable | Yes |
| Airflow | Port-side intake |





