Lifecycle data
Synology DSM (DiskStation Manager) end-of-life dates
10 of the 10 tracked DSM (DiskStation Manager) releases carry a published support-end date. 2 are still inside the published support window.
Sources checked 2026-07-156 tracked DSM (DiskStation Manager) advisories
Still inside the published support window
- DSM 7.4 — support ends 2028-06 (698 days from today)
- DSM 7.3 (LTS) — support ends 2028-10 (820 days from today)LTS
Listed as published by the cited source. Confirm the upgrade path Synology documents for your edition and contract before planning change work.
Every tracked DSM (DiskStation Manager) release
| Release | Status | End of active support | End of support |
|---|---|---|---|
| DSM 7.4 | Supported | 2028-06 | 2028-06 |
| DSM 7.3 (LTS)LTS | Supported | 2027-10 | 2028-10 |
| DSM 7.2 | End of support | 2025-12 | 2025-12 |
| DSM 7.1 (LTS)LTS | End of support | 2024-06 | 2025-06 |
| DSM 7.0 | End of support | 2023-06 | 2023-06 |
| DSM 6.2 (LTS)LTS | End of support | 2021-06 | 2024-10-01 |
| DSM 6.1 | End of support | 2019-06 | 2019-06 |
| DSM 6.0 | End of support | 2018-06 | 2018-06 |
| DSM 5.2 (LTS)LTS | End of support | 2017-06 | 2019-06 |
| DSM 4.2 (LTS)LTS | End of support | 2015-06 | 2017-06 |
“—” means the source publishes no date for that row. It is not a statement that support continues.
Sources for these dates
- Synology Software Life Cycle Policy (PDF, last updated Jul 3, 2026) Official · checked 2026-07-15
- End-of-Life Announcement for DSM 6.2 Official · checked 2026-07-15
- End-of-Availability notice for legacy DSM, Surveillance Station, SRM, and more Official · checked 2026-07-15
- End-of-Life Announcement for Mail Station and Synology Mail Server Official · checked 2026-07-15
- Synology Product Support Status (model lookup portal) Official · checked 2026-07-15
- Synology DSM 6.2 EOL announcement Official · checked 2026-07-15
Lifecycle dates come from the cited sources on the review date shown, and vendor documentation plus your support contract remain authoritative. Where a vendor publishes nothing, this page says so instead of estimating.All Synology lifecycle data