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Extreme Networks Summit X440 Series Switches — End-of-Life & EOSL Dates

PAST VENDOR SUPPORTExtreme Networks ended support in March 2022.

Summit X440 Series Switches. Extreme Networks end-of-life bulletin "X440 Switches Bulletin", read in full; each date below is shown with the bulletin's own wording.

Every tracked Extreme Networks Summit X440 Series Switches SKU group is past Extreme Networks end of service life (last group Mar 2022). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure. Extreme Networks’s named migration path: X440-G2.

EOL announced

Oct 2016

End of sale

Mar 2017

Last date of support

Mar 2022

Part numbers

23

Extreme Networks end-of-sale bulletin ↗verified Oct 2026
Extreme Networks's words, end-of-life announcement ↗“X440 10/31/2016 3/31/2017 3/31/2022”
Extreme Networks's words, end of sale ↗“X440 10/31/2016 3/31/2017 3/31/2022”
Extreme Networks's words, end of support ↗“X440 10/31/2016 3/31/2017 3/31/2022”
Extreme Networks names X440-G2 as the migration pathper the linked bulletin · see its own dates
Check your part numbers in bulk

55

months past last support

Support Runway Score14/100 · Little or no runway
Why this score
  • Past end of service life — 55 months ago
  • Vendor-published date, source-linked
  • Vendor-named replacement / migration path available
  • Category: ethernet switch

Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated

Figure 1. Extreme Networks issues no software maintenance and no security fixes for this product. Third-party maintenance, spares or replacement are the paths from here. EOSL.ai sells none of them and takes no placement fee.

Part numbers in this family

All 23 share the dates above. Find your exact part to confirm.

Part numberDescriptionEnd of saleLast supportStatus
16501Summit X440 Series SwitchesMar 2017Mar 2022Past support
16501TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16502Summit X440 Series SwitchesMar 2017Mar 2022Past support
16502TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16503Summit X440 Series SwitchesMar 2017Mar 2022Past support
16503TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16519Summit X440 Series SwitchesMar 2017Mar 2022Past support
16504Summit X440 Series SwitchesMar 2017Mar 2022Past support
16504TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16505Summit X440 Series SwitchesMar 2017Mar 2022Past support
16520Summit X440 Series SwitchesMar 2017Mar 2022Past support
16505TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16506Summit X440 Series SwitchesMar 2017Mar 2022Past support
16506TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16507Summit X440 Series SwitchesMar 2017Mar 2022Past support
16507TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16508Summit X440 Series SwitchesMar 2017Mar 2022Past support
16508TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16509Summit X440 Series SwitchesMar 2017Mar 2022Past support
16509TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16510Summit X440 Series SwitchesMar 2017Mar 2022Past support
16510TSummit X440 Series SwitchesMar 2017Mar 2022Past support
16513Summit X440 Series SwitchesMar 2017Mar 2022Past support
Extreme Networks end-of-sale bulletin ↗verified Oct 2026

Options from here

The Extreme Networks Summit X440 Series Switches is past Extreme Networks end of service life. These are the paths teams take from here:

Third-party maintenance

Keep it in production past the OEM cutoff with an independent maintainer.

Pre-stock spares

Buy spares now, while units still circulate on the secondary market.

Plan replacement

It is unsupported today. Set a migration timeline and budget.

Run to failure

Low-criticality role: document the risk, harden backups, retire on your terms.

Check your exact part numbers Weigh your support options

Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.

Extreme Networks Summit X440 Series Switches — questions

Is the Extreme Networks Summit X440 Series Switches end of life?

Yes. Every tracked Summit X440 Series Switches SKU group is past its last date of support.

What is the last date of support for the Summit X440 Series Switches?

Mar 2022, per the Extreme Networks end-of-sale bulletin.

Where do these Summit X440 Series Switches dates come from?

Every end-of-sale and end-of-service-life date on this page links to the official Extreme Networks end-of-sale bulletin it was taken from.

What is the replacement for the Summit X440 Series Switches?

Extreme Networks's end-of-life bulletin lists X440-G2 as the recommended migration path for the Summit X440 Series Switches. Exact per-part-number replacements are in the linked bulletin.

On the same timetable

Related Everything reaching EOSL in 2022 (215)Extreme Networks already unsupported (162)
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Extreme Networks Summit X440 Series Switches EOL / EOSL status
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