Сравнение характеристик Synology RS409+ и RS409RP+ по официальным даташитам. Различия выделены.
| RS409+ | RS409RP+ | |
| CPU | — | unknown |
| Ядра / потоки | — | unknown |
| RAM (база) | — | unknown |
| RAM (макс.) | — | unknown |
| Отсеки | 4 | 4 |
| Расширение до | 4 via RX4 | 4 (via RX4) |
| Слоты M.2 | 0 | 0 |
| Сеть | 2 x Gigabit | 2 x Gigabit |
| 10GbE | no | no |
| Макс. объём | 8 HDDs | 8 drives |
| Горячая замена | yes | yes |
| Форм-фактор | 1U rackmount | 1U rackmount |
| Выпущено | 2009 | 2009 |
| Потребление | 28 W / 9.5 W | 61 W / 29 W |
| DSM при выпуске | 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.