| Setup the NAS with unverified 3rd party HDDs | **No!** | | See <ahref="#setting-up-a-new-2025-or-later-plus-model-with-only-unverified-hdds">Setup with unverifed HDDs</a> |
| Migrate unverified 3rd party drives from other Synology | yes | Lots of warnings | Use [Synology HDD db](https://github.com/007revad/Synology_HDD_db) |
| Migrate unverified 3rd party drives and NVMe cache from other Synology | yes | Lots of warnings | Use [Synology HDD db](https://github.com/007revad/Synology_HDD_db) |
| Gradually replace migrated 3rd party drives with Synology drives | yes | Lots of warnings until all 3rd party drives replaced | Use [Synology HDD db](https://github.com/007revad/Synology_HDD_db) See [Migration and Drive Replacement](https://github.com/007revad/Synology_HDD_db/discussions/468#discussioncomment-13086639) |
| Delete and create storage pool on migrated 3rd party drives | **No!** | | See <ahref="#deleting-and-recreating-your-storage-pool-on-unverified-hdds">Recreating storage pool</a> |
9. If Storage Manager is already open close then open it, or refresh the web page. If refreshing the page or restarting Storage Manager is not working, try restarting your Synology NAS.
You can't download Synology HDD db to a volume because you've just deleted your storage pool. So you'd first need to download Synology HDD db to a system folder and run it from there.