Especificaciones de los Synology DS209j y DS210+ en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| DS209j | DS210+ | |
| CPU | 266MHz 32-bit with floating point | 1.06 GHz 64-bit |
| Núcleos / hilos | 1/1 | — |
| RAM (base) | 64MB | DDR |
| RAM (máx.) | — | — |
| Bahías | 2 | 2 |
| Ampliable a | 0 | 0 |
| Ranuras M.2 | 0 | 0 |
| Red | 1x Gigabit | 1GbE |
| 10GbE | no | no |
| Capacidad bruta máx. | 4TB (2x 2TB) | — |
| Intercambio en caliente | no | — |
| Formato | Desktop | desktop |
| Lanzamiento | 2009 | 2010 |
| Consumo | 15–36 W / unknown | 30 W / null |
| DSM de lanzamiento | 2.2 | 2.3 |
Choose the DS210+ if you want the clearly better box: it has a much faster CPU, far more RAM headroom, and support for 2 bays plus expansion. Neither the DS209j nor DS210+ has 10GbE or M.2; if those matter, you need a much newer model.