Side-by-side specifications of the Synology DS718+ and DS725+, from official datasheets. Differences are highlighted.
| DS718+ | DS725+ | |
| CPU | Intel Celeron J3455 | AMD Ryzen R1600 |
| Cores / threads | 4-core | 2/4 |
| RAM (base) | 2 GB | 4 GB |
| RAM (max) | 6 GB | 32 GB |
| Drive bays | 2 | 2 |
| Expandable to | 7 | 7 |
| M.2 slots | 0 | 2 |
| Network | 2x 1GbE | 1x1GbE, 1x2.5GbE |
| 10GbE | no | no |
| Max raw capacity | 20 TB | 140 TB |
| Hot-swap | yes | yes |
| Form factor | desktop | desktop |
| Released | 2017 | 2025 |