Side-by-side specifications of the Synology DS114 and DS115j, from official datasheets. Differences are highlighted.
| DS114 | DS115j | |
| CPU | Marvell Armada 370 | Marvell Armada 370 |
| Cores / threads | 1/1 | 1/1 |
| RAM (base) | 512MB | 512 MB |
| RAM (max) | 512MB | 512 MB |
| Drive bays | 1 | 1 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1 GbE | 1x Gigabit |
| 10GbE | no | no |
| Max raw capacity | 4TB | 5 TB |
| Hot-swap | no | no |
| Form factor | desktop | desktop |
| Released | 2013 | 2015 |