Side-by-side specifications of the Synology DS112j and DS115j, from official datasheets. Differences are highlighted.
| DS112j | DS115j | |
| CPU | — | Marvell Armada 370 800 MHz |
| Cores / threads | — | 1 core / 1 thread |
| RAM (base) | — | 256 MB DDR3 |
| RAM (max) | — | 256 MB |
| Drive bays | 1 | 1 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1GbE x 1 | 1 x Gigabit Ethernet |
| 10GbE | no | no |
| Max raw capacity | 3TB | 5 TB |
| Hot-swap | no | no |
| Form factor | Desktop | Desktop |
| Released | 2012 | 2015 |
| Power consumption | 12.1 W / 5.4 W | 14.5 W / 3.85 W |
| DSM at launch | 3.2 | — |