Fortinet FortiDDoS 400B — End-of-Life & EOSL Dates
Fortinet FortiDDoS 400B ddos mitigation 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.
Fortinet FortiDDoS 400B is still under Fortinet support, to Oct 2026. Fold the eventual replacement into your planning cycle.
End of sale
Oct 2021
Last date of support
Oct 2026
Part numbers
1
2
months of vendor support left
Why this score
- End of service life within 6 months
- Vendor-published date, source-linked
- Category: ddos mitigation appliance
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part number in this family
All 1 share the dates above. Find your exact part to confirm.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| FortiDDoS-400B | Fortinet FortiDDoS-400B ddos mitigation appliance | Oct 2021 | Oct 2026 | Ending soon |
Options from here
Fortinet support for the Fortinet FortiDDoS 400B ends soon. Weigh these before the cutoff:
Support ends soon. Set the replacement window now, not mid-outage.
Bridge coverage past the OEM cutoff if you can't migrate in time.
Get the replacement into this planning cycle.
Secure spares before they get scarce after end-of-sale.
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.
Fortinet FortiDDoS 400B — questions
Is the Fortinet FortiDDoS 400B end of life?
Not yet. All tracked FortiDDoS 400B 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 FortiDDoS 400B?
Oct 2026, per the Fortinet end-of-sale bulletin.
Where do these FortiDDoS 400B 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
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