Especificaciones de los Synology DS118 y DS119j en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| DS118 | DS119j | |
| CPU | Realtek RTD1296, 1.4 GHz | Marvell Armada 3700 88F3720, 800 MHz |
| Núcleos / hilos | 4 cores / 4 threads | 2 cores / 2 threads |
| RAM (base) | 1 GB DDR4 non-ECC | 256 MB DDR3L non-ECC |
| RAM (máx.) | — | 256 MB |
| Bahías | 1 | 1 |
| Ampliable a | 0 | 0 |
| Ranuras M.2 | 0 | 0 |
| Red | 1 x 1GbE RJ-45 | 1 x 1GbE RJ-45 |
| 10GbE | no | no |
| Capacidad bruta máx. | 10 TB | 12 TB raw; 108 TB maximum single volume |
| Intercambio en caliente | no | no |
| Formato | Desktop | Desktop |
| Lanzamiento | 2017 | 2018 |
| Consumo | 9.4 W / 4.22 W | 10.04 W / 5.01 W |
| DSM de lanzamiento | — | — |
Choose the DS118 if you want the faster Intel CPU, 1 GB RAM ceiling, and the better chance of smoother performance under heavier SMB use; choose the DS119j only if you want the cheapest basic single-bay box. Both are 1-bay units with no expansion, and neither has 10GbE or M.2.