N9K-SUP-B
Nexus 9500 Series — data center switch
Lifecycle position
Options from here
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in 9500 Series
N9K-SUP-B — questions
Is the Cisco N9K-SUP-B still supported?
No. Cisco's last date of support for N9K-SUP-B was Nov 2025 (per the Cisco EOL bulletin) — it is past end of service life.
When did the N9K-SUP-B reach end of sale?
N9K-SUP-B reached end of sale Nov 2020, per the Cisco EOL bulletin.
What is the last date of support (EOSL) for the N9K-SUP-B?
Nov 2025 — per the Cisco EOL bulletin.
What is the replacement for the N9K-SUP-B?
Cisco's end-of-life bulletin lists N9K-SUP-B+ as the replacement for N9K-SUP-B.
Can the N9K-SUP-B be maintained after Cisco support ends?
After the last date of support, N9K-SUP-B units can often be kept in production through third-party maintenance providers. Cisco no longer issues software fixes, support, or hardware replacement for it.