Lifecycle guide for QNAP Turbo NAS System (QTS) from QNAP

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-07-14

What is QNAP Turbo NAS System (QTS)?

Automate product release and end-of-life management

QTS (QNAP Turbo NAS System) is the Turbo NAS Operating System, providing file storage, backup, disaster recovery, security management and virtualization applications for businesses; multimedia applications for home, and many more. QTS is the operating systems for entry- and mid-level QNAP NAS. With Linux ext4, QTS enables reliable storage for everyone with versatil value-added features and apps.

The entire lifecycle of QNAP Turbo NAS System (QTS)

The following figure shows you the visualised product life cycle of QNAP Turbo NAS System (QTS). You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.

QNAP Turbo NAS System (QTS) (QNAP) release, version and end-of-life information

Figure: Release, patch and end-of-life cycle of product QNAP Turbo NAS System (QTS) (QNAP)

What is the QNAP Turbo NAS System (QTS) release strategy?

Most devices at QNAP receive such operating system updates for about 5 years from release, how long that is after the EOL (EOL = device manufacture at QNAP) varies, as there is no clear framework for the EOL as mentioned above.

Facts and figures about QNAP Turbo NAS System (QTS)

Product

QNAP Turbo NAS System (QTS)

Vendor

QNAP

Latest version

5.2.9.3499

Number of releases

Number of versions

111

Number of unstable versions

Number of versions affected by CVE

100

Licence

Commercial

Wikipedia

https://en.wikipedia.org/wiki/QNAP_Systems

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