Side-by-side specifications of the Synology DS418play and DS423+, from official datasheets. Differences are highlighted.
| DS418play | DS423+ | |
| CPU | Intel Celeron J3355 | Intel Celeron J4125 |
| Cores / threads | 2/2 | 4 |
| RAM (base) | 2 GB | 2 GB |
| RAM (max) | 6 GB | 6 GB |
| Drive bays | 4 | 4 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 2 |
| Network | 2x 1GbE | 2 x 1GbE RJ-45 |
| 10GbE | no | no |
| Max raw capacity | 40 TB | 108 TB |
| Hot-swap | yes | yes |
| Form factor | desktop | Desktop |
| Released | 2017 | 2023 |