Especificaciones de los Synology RS815 y RS815+ en paralelo, de las fichas técnicas oficiales. Las diferencias están resaltadas.
| RS815 | RS815+ | |
| CPU | dual-core CPU | Intel Atom C2538 2.4GHz |
| Núcleos / hilos | 2 cores / 2 threads | 4 cores / 4 threads |
| RAM (base) | 1 GB DDR3 | 2 GB DDR3 |
| RAM (máx.) | 1 GB | 6 GB |
| Bahías | 4 | 4 |
| Ampliable a | 4 | 4 (up to 8 with RX415) |
| Ranuras M.2 | 0 | 0 |
| Red | 2x Gigabit | 4x Gigabit |
| 10GbE | no | no |
| Capacidad bruta máx. | 32 TB | 24 TB internal; 48 TB with RX415 |
| Intercambio en caliente | yes | yes |
| Formato | 1U rackmount | 1U rackmount |
| Lanzamiento | 2015 | 2015 |
| Consumo | — | — |
| DSM de lanzamiento | — | — |
Choose the RS815+ if you need more headroom: it has a faster CPU, more RAM capacity, and better overall performance for heavier SMB use. Both are 4-bay units with no native 10GbE or M.2 support, and neither is meant for expansion to a larger bay count; the RS815 is the cheaper, more basic pick if you only need simple file storage.