Mixed data · Cisco verified from Cisco EOL bulletins · other vendors still sample (flagged on each record)
Stackable access switch · Switch hardware (EOL10623)
WS-C3750X-12S-S
Catalyst 3750-X Series — 12-port SFP, IP Base
EOSL — PAST56 mo
past end of service life
Lifecycle position
now
availableend of saleservice
AvailableJan 2010
End of saleOct 2016
Last security firmwareIOS 15.2(4)E (SW maint. ended Oct 2017; security fixes ended Oct 2019)
Options from here
Third-party maintenanceCovered past the OEM cutoff, typically well below renewal pricing.
Pre-stock sparesModules and units still circulate on the secondary market.
Schedule migrationCarrying production traffic? Set the replacement window now, not mid-outage.
Run to failureLow-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in 3750-X Series
COMPARE SUPPORT PROVIDERSModule mounts here once partners are live.