Side-by-side specifications of the Synology DVA3219 and SA3400D, from official datasheets. Differences are highlighted.
| DVA3219 | SA3400D | |
| CPU | Intel Atom C3538 | Intel Xeon D-1541 |
| Cores / threads | 4-core | 8/16 |
| RAM (base) | 4 GB | 8 GB |
| RAM (max) | 32 GB | 64 GB |
| Drive bays | 4 | 12 |
| Expandable to | 14 | 36 |
| M.2 slots | 0 | 0 |
| Network | 4x 1GbE | 2x1GbE+1x10GbE per controller |
| 10GbE | no | yes |
| Max raw capacity | 224 TB | 576 TB |
| Hot-swap | yes | yes |
| Form factor | desktop | 2U rack |
| Released | 2022 | 2025 |