Side-by-side specifications of the Synology RS3412xs and RS3614xs+, from official datasheets. Differences are highlighted.
| RS3412xs | RS3614xs+ | |
| CPU | Intel Core i3 Dual Core 3.1GHz | Intel Xeon E3 quad-core 3.3 GHz |
| Cores / threads | 2 cores / 4 threads | 4 cores / 8 threads |
| RAM (base) | 2GB ECC | 8 GB ECC |
| RAM (max) | 6GB ECC | 32 GB ECC |
| Drive bays | 10 | 12 |
| Expandable to | 24 | 24 (up to 36 total) |
| M.2 slots | 0 | 0 |
| Network | 4x Gigabit | 4 x Gigabit |
| 10GbE | optional | optional |
| Max raw capacity | 100TB | 216 TB |
| Hot-swap | yes | yes |
| Form factor | 2U rackmount | 2U rackmount |
| Released | 2012 | 2014 |
| Power consumption | — | unknown |
| DSM at launch | — | — |