Especificaciones de los Synology RS409+ y RS409RP+ en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| RS409+ | RS409RP+ | |
| CPU | — | unknown |
| Núcleos / hilos | — | unknown |
| RAM (base) | — | unknown |
| RAM (máx.) | — | unknown |
| Bahías | 4 | 4 |
| Ampliable a | 4 via RX4 | 4 (via RX4) |
| Ranuras M.2 | 0 | 0 |
| Red | 2 x Gigabit | 2 x Gigabit |
| 10GbE | no | no |
| Capacidad bruta máx. | 8 HDDs | 8 drives |
| Intercambio en caliente | yes | yes |
| Formato | 1U rackmount | 1U rackmount |
| Lanzamiento | 2009 | 2009 |
| Consumo | 28 W / 9.5 W | 61 W / 29 W |
| DSM de lanzamiento | 2.1 | 2.1 |
Choose the RS409RP+ if you need redundant power supplies; otherwise the RS409+ is the same class of box for less. Both are older 4-bay units with no meaningful advantage in CPU, RAM ceiling, 10GbE, or M.2 expansion, so the decision is basically redundant PSU vs. lower cost.