Side-by-side specifications of the Synology DVA1622 and DVA3221, from official datasheets. Differences are highlighted.
| DVA1622 | DVA3221 | |
| CPU | Intel Celeron J4125 | Intel Atom C3538 |
| Cores / threads | 4C/4T | 4 |
| RAM (base) | 6 GB DDR4 | 8 GB |
| RAM (max) | 6 GB | 32 GB |
| Drive bays | 2 | 4 |
| Expandable to | 0 | 8 |
| M.2 slots | 0 | 0 |
| Network | 1 x 1GbE | 4 x 1GbE |
| 10GbE | no | no |
| Max raw capacity | unknown | 224 TB |
| Hot-swap | yes | yes |
| Form factor | Desktop | desktop |
| Released | 2021 | 2020 |