Fortinet FortiGate 51E — End-of-Life & EOSL Dates
Fortinet FortiGate 51E next-generation firewall. 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.
Support summary
SupportedFortinet FortiGate 51E is still under Fortinet support, to Jul 2027. Fold the eventual replacement into your planning cycle.
Why this score
- End of service life within 12 months
- Vendor-published date, source-linked
- Category: next-generation firewall
The score reflects support-lifecycle timing and source confidence only — it is not a risk, safety or compliance rating. How it’s calculated →
FortiGate-51E
SUPPORTED1 SKU in this group
Options from here
The Fortinet FortiGate 51E is still supported. Options to plan around, in rough priority:
Supported for now — track the end-of-service date and revisit at refresh planning.
Fold the eventual replacement into your multi-year budget.
Stay on a supported software train while under OEM support.
An option to extend life once the OEM cutoff nears.
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 FortiGate 51E — questions
Is the Fortinet FortiGate 51E end of life?
Not yet — all tracked FortiGate 51E SKU groups are still within Fortinet support, though dates vary by SKU. See the breakdown below.
What is the last date of support for the FortiGate 51E?
Jul 2027 — per the Fortinet end-of-sale bulletin.
Where do these FortiGate 51E 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.
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