Side-by-side specifications of the Synology DS110J and DS110+, from official datasheets. Differences are highlighted.
| DS110J | DS110+ | |
| CPU | 800MHz | 1.06 GHz |
| Cores / threads | — | — |
| RAM (base) | 128 MB | DDR |
| RAM (max) | 128 MB | — |
| Drive bays | 1 | 1 |
| Expandable to | — | — |
| M.2 slots | 0 | 0 |
| Network | 1x Gigabit | — |
| 10GbE | no | no |
| Max raw capacity | 3 TB | — |
| Hot-swap | yes | — |
| Form factor | 1-bay desktop | desktop |
| Released | 2010 | 2010 |
Pick the DS110+ if you want the faster CPU, much higher RAM ceiling, and better headroom for heavier SMB use; pick the DS110J only if you just need the cheapest basic single-bay NAS. Neither has expansion bays, 10GbE, or M.2.