Is the TS-451DeU end of life?

Not yet, but the TS-451DeU is aging. QNAP support ends on 2027-12-31 within the next 24 months.

When does QNAP support end for the TS-451DeU?

QNAP support for the TS-451DeU is scheduled to end on 2027-12-31. The recommended replacement is the TS-464eU.

QNAP Storage · NAS / Expansion Series

High confidence Official QNAP notice ↗ Verified 2026-08-30

TS-451DeU is aging. Support window is narrowing. QNAP support ends 2027-12-31 (+485d). Replacement: TS-464eU.

Yes, but the support window is narrowing. QNAP support for the TS-451DeU ends on 2027-12-31. Plan refresh cycles now. See QNAP's lifecycle bulletin.

QNAP support for the TS-451DeU ends on 2027-12-31.

QNAP lists the TS-464eU as the successor.

Replaced by TS-464eU

The QNAP TS-451DeU is a storage product in the QNAP NAS / Expansion series. Vendor support will continue until 2027-12-31.

End of security vulnerability support	2027-12-31	in 1y 4mo
Last date of support	2027-12-31	in 1y 4mo

Applicable Platforms

NAS / Expansion