Side-by-side specifications of the Synology DS110j and DS110+, from official datasheets. Differences are highlighted.
| DS110j | DS110+ | |
| CPU | 800 MHz | 1.06 GHz 64-bit |
| Cores / threads | 1 core / 1 thread | — |
| RAM (base) | 128 MB | DDR |
| RAM (max) | 128 MB | — |
| Drive bays | 1 | 1 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1× Gigabit Ethernet | 1x Gigabit Ethernet |
| 10GbE | no | no |
| Max raw capacity | 3 TB | — |
| Hot-swap | no | — |
| Form factor | Desktop | desktop |
| Released | 2010 | 2010 |
| Power consumption | 19 W / 9 W | 21 W / null |
| DSM at launch | 2.2 | 2.3 |
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.