Side-by-side specifications of the Synology RS3614XS and RS3626XS, from official datasheets. Differences are highlighted.
| RS3614XS | RS3626XS | |
| CPU | Intel Xeon E3 3.3GHz | Intel Xeon D-1726 |
| Cores / threads | 4 cores | 6/12 |
| RAM (base) | 8GB ECC | 8 GB |
| RAM (max) | 32GB | 48 GB |
| Drive bays | 12 | 12 |
| Expandable to | 24 | 36 |
| M.2 slots | 0 | 0 |
| Network | 4x Gigabit | 2x 10GbE RJ-45 |
| 10GbE | optional | yes |
| Max raw capacity | 216TB | 36 drives |
| Hot-swap | yes | yes |
| Form factor | 2U rackmount | 2U |
| Released | 2013 | 2026 |