The Storage Manager in DSM 7 is leaps ahead. It offers faster drive health checks, predictive drive failure analysis, and a more intuitive UI for managing SSD caches and RAID scrubbing.
The Synology DS412 is not officially compatible with the full release of DSM 7.0, 7.1, or 7.2. The cutoff architecture for DSM 7 typically requires a 64-bit CPU, and while the Atom D2700 is 64-bit, Synology made a business decision to end support for many “Plus” series models at DSM 6.2.4. ds412 dsm 7