Side-by-side specifications of the Synology DVA3221 and SA3200D, from official datasheets. Differences are highlighted.
| DVA3221 | SA3200D | |
| CPU | Intel Atom C3538 | Intel Xeon D-1521 |
| Cores / threads | 4 | 4/8 |
| RAM (base) | 8 GB | 8 GB per controller |
| RAM (max) | 32 GB | 64 GB per controller |
| Drive bays | 4 | 12 |
| Expandable to | 8 | 24 |
| M.2 slots | 0 | 0 |
| Network | 4 x 1GbE | 1GbE x2 + 10GbE x1 per controller |
| 10GbE | no | yes |
| Max raw capacity | 224 TB | 576 TB |
| Hot-swap | yes | yes |
| Form factor | desktop | 2U rackmount |
| Released | 2020 | 2026 |