What are you talking about. This is a quote directly from the page you’ve linked to:
> At the same time, with the introduction of DSM 7.3, 2025 DiskStation Plus series models offer more flexibility for installing third-party HDDs and 2.5" SATA SSDs when creating storage pools.
> At the same time, with the introduction of DSM 7.3, 2025 DiskStation Plus series models offer more flexibility for installing third-party HDDs and 2.5" SATA SSDs when creating storage pools.