Side-by-side specifications of the Synology DS720+ and DS725+, from official datasheets. Differences are highlighted.
| DS720+ | DS725+ | |
| CPU | Intel Celeron J4125 | AMD Ryzen R1600 |
| Cores / threads | 4 cores | 2/4 |
| RAM (base) | 2 GB DDR4 | 4 GB |
| RAM (max) | 6 GB | 32 GB |
| Drive bays | 2 | 2 |
| Expandable to | 7 | 7 |
| M.2 slots | 2 | 2 |
| Network | 2 x GbE RJ-45 | 1x1GbE, 1x2.5GbE |
| 10GbE | no | no |
| Max raw capacity | 32 TB | 140 TB |
| Hot-swap | yes | yes |
| Form factor | desktop | desktop |
| Released | 2020 | 2025 |