Side-by-side specifications of the Synology DS116 and DS218+, from official datasheets. Differences are highlighted.
| DS116 | DS218+ | |
| CPU | Marvell ARMADA 385 88F6820 1.8GHz | Intel Celeron J3355 |
| Cores / threads | 2c | 2C/2T |
| RAM (base) | 1GB DDR3 | 2 GB |
| RAM (max) | 1GB | 6 GB |
| Drive bays | 1 | 2 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1x 1GbE | 1x 1GbE RJ-45 |
| 10GbE | no | no |
| Max raw capacity | 8TB | 20 TB |
| Hot-swap | unknown | yes |
| Form factor | 1-bay desktop NAS | desktop |
| Released | 2016 | 2018 |