Especificaciones de los Synology DS211j y DS212 en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| DS211j | DS212 | |
| CPU | Marvell 88F6281 | 1.6GHz |
| Núcleos / hilos | 1/1 | — |
| RAM (base) | 128 MB | 256MB |
| RAM (máx.) | 128 MB | — |
| Bahías | 2 | 2 |
| Ampliable a | 0 | 0 |
| Ranuras M.2 | 0 | 0 |
| Red | 1x Gigabit Ethernet | 1x Gigabit |
| 10GbE | no | no |
| Capacidad bruta máx. | 6 TB | 6TB |
| Intercambio en caliente | no | yes |
| Formato | Desktop | Desktop |
| Lanzamiento | 2010 | 2011 |
| Consumo | 28.2 W / 9.5 W | 18.2 W / 6.8 W |
| DSM de lanzamiento | — | — |
Choose the DS212 if you want the clearly better box: it has a faster CPU and a higher RAM ceiling than the DS211J, which makes it the more capable home/SMB NAS. Both are 2-bay units with no expansion path, and neither has 10GbE or M.2.