Especificaciones de los Synology DS108j y DS109+ en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| DS108j | DS109+ | |
| CPU | — | — |
| Núcleos / hilos | — | — |
| RAM (base) | — | — |
| RAM (máx.) | — | — |
| Bahías | 1 | 1 |
| Ampliable a | 0 | 0 |
| Ranuras M.2 | 0 | 0 |
| Red | 1GbE | 1GbE |
| 10GbE | no | no |
| Capacidad bruta máx. | 1 SATA drive | — |
| Intercambio en caliente | no | no |
| Formato | Desktop | desktop |
| Lanzamiento | 2008 | 2009 |
| Consumo | 27 W / 10 W | 21 W / 12 W |
| DSM de lanzamiento | — | 2.1 |
Neither model supports 10GbE or M.2, and both are single-bay NAS units with no bay expansion. The DS109+ is the better choice because it has a faster CPU and higher RAM ceiling than the DS108j; choose it unless you only need basic file storage.