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Caching appliance

Fortinet FortiCache 3900E — End-of-Life & EOSL Dates

Fortinet FortiCache 3900E caching appliance. Published end-of-order (end-of-sale) and end-of-support (EOSL) dates from Fortinet's public hardware Product Life Cycle feed, linked for verification.

Is the Fortinet FortiCache 3900E end of life?

Past end of service
21/100
Little or no runway
Support Runway Score

Every tracked Fortinet FortiCache 3900E SKU group is past Fortinet end of service life (last group Feb 2024). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.

Why this score
  • Past end of service life — 30 months ago
  • Vendor-published date, source-linked
  • Category: caching appliance

The score reflects support-lifecycle timing and source confidence only — higher means more support runway. It is not a risk, safety or compliance rating. How it’s calculated →

Action priority
Critical
Every tracked part number is past end of service life — unsupported by the vendor.
End of service life
Feb 2024
Part numbers
1
Confidence
Vendor-published date
Last verified
Aug 2026
Source
Check your part numbers in bulk →

FortiCache-3900E

EOSL — PAST
30 mo
past end of service
now
availableend of saleservice
End of saleFeb 2019
End of serviceFeb 2024Fortinet bulletin ↗
Last service extensionFeb 2023last date cover can be bought or extended

1 SKU in this group

Options from here

Unsupported now

The Fortinet FortiCache 3900E is past Fortinet 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.

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

Fortinet FortiCache 3900E — questions

Is the Fortinet FortiCache 3900E end of life?

Yes — every tracked FortiCache 3900E SKU group is past its last date of support.

What is the last date of support for the FortiCache 3900E?

Feb 2024 — per the Fortinet end-of-sale bulletin.

Where do these FortiCache 3900E dates come from?

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

On the same timetable

Embed this status on your wiki or README

A live badge that shows this model's support status and links here — it refreshes when the vendor date changes.

Fortinet FortiCache 3900E EOL / EOSL status
<a href="https://eosl.ai/system/fortinet-forticache-3900e/"><img src="https://eosl.ai/badge/fortinet-forticache-3900e.svg" alt="Fortinet FortiCache 3900E EOL / EOSL status"></a>
[![Fortinet FortiCache 3900E EOL / EOSL status](https://eosl.ai/badge/fortinet-forticache-3900e.svg)](https://eosl.ai/system/fortinet-forticache-3900e/)