Side-by-side specifications of the Synology RS3411XS and RS3614XS, from official datasheets. Differences are highlighted.
| RS3411XS | RS3614XS | |
| CPU | unknown | Intel Xeon E3 3.3GHz |
| Cores / threads | unknown | 4 cores |
| RAM (base) | 4GB | 8GB ECC |
| RAM (max) | 8GB | 32GB |
| Drive bays | 10 | 12 |
| Expandable to | 2 via RX1211/RX1211RP | 24 |
| M.2 slots | 0 | 0 |
| Network | 4x Gigabit | 4x Gigabit |
| 10GbE | optional | optional |
| Max raw capacity | 30TB base; up to 100TB with expansion | 216TB |
| Hot-swap | yes | yes |
| Form factor | 2U | 2U rackmount |
| Released | 2011 | 2013 |