Side-by-side specifications of the Synology DS214 and DS218, from official datasheets. Differences are highlighted.
| DS214 | DS218 | |
| CPU | Marvell Armada XP Dual Core 1.066GHz | Realtek RTD1296 |
| Cores / threads | 2 cores / 2 threads | 4 cores / 4 threads |
| RAM (base) | 512MB DDR3 | 2 GB DDR4 |
| RAM (max) | 512MB | 2 GB |
| Drive bays | 2 | 2 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1x Gigabit | 1 x 1GbE RJ-45 |
| 10GbE | no | no |
| Max raw capacity | 8TB | 20 TB |
| Hot-swap | yes | yes |
| Form factor | Desktop | Desktop |
| Released | 2013 | 2017 |
| Power consumption | — | 14.99 W / unknown |
| DSM at launch | — | — |