Dell Connectrix (Cisco) — Connectrix (Cisco) san switch
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.
No. Dell's last date of support for MDS-4G-LR10K was Apr 2020 (per the Dell End-of-Life list) — it is past end of service life.
MDS-4G-LR10K reached end of sale Mar 2015, per the Dell End-of-Life list.
Apr 2020 — per the Dell End-of-Life list.
After the last date of support, MDS-4G-LR10K units can often be kept in production through third-party maintenance providers. Dell no longer issues software fixes, support, or hardware replacement for it.