Side-by-side specifications of the Synology RS3614XS and SA3400, from official datasheets. Differences are highlighted.
| RS3614XS | SA3400 | |
| CPU | Intel Xeon E3 3.3GHz | Intel Xeon D-1541 |
| Cores / threads | 4 cores | 8-core |
| RAM (base) | 8GB ECC | 16 GB |
| RAM (max) | 32GB | 128 GB |
| Drive bays | 12 | 12 |
| Expandable to | 24 | 96 |
| M.2 slots | 0 | 0 |
| Network | 4x Gigabit | 2x 10GbE + 4x 1GbE |
| 10GbE | optional | yes |
| Max raw capacity | 216TB | 1536 TB |
| Hot-swap | yes | yes |
| Form factor | 2U rackmount | rackmount |
| Released | 2013 | 2017 |