Side-by-side specifications of the Synology DVA1622 and SA3400D, from official datasheets. Differences are highlighted.
| DVA1622 | SA3400D | |
| CPU | Intel Celeron J4125 | Intel Xeon D-1541 |
| Cores / threads | 4C/4T | 8/16 |
| RAM (base) | 6 GB DDR4 | 8 GB |
| RAM (max) | 6 GB | 64 GB |
| Drive bays | 2 | 12 |
| Expandable to | 0 | 36 |
| M.2 slots | 0 | 0 |
| Network | 1 x 1GbE | 2x1GbE+1x10GbE per controller |
| 10GbE | no | yes |
| Max raw capacity | unknown | 576 TB |
| Hot-swap | yes | yes |
| Form factor | Desktop | 2U rack |
| Released | 2021 | 2025 |