Side-by-side specifications of the Synology FS1018 and FS3017, from official datasheets. Differences are highlighted.
| FS1018 | FS3017 | |
| CPU | Intel Pentium D1508 | 2 x Intel Xeon E5-2620 |
| Cores / threads | 2 cores / 2 threads | 12 cores / 24 threads |
| RAM (base) | 8 GB DDR4 ECC SODIMM | 64GB DDR4 ECC RDIMM |
| RAM (max) | 32 GB | 512GB |
| Drive bays | 12 | 24 |
| Expandable to | 24 (DX1215 x 2) | 48 |
| M.2 slots | 0 (via optional adapter card) | 0 |
| Network | 4x 1GbE | 2 x 10GBase-T RJ-45 |
| 10GbE | optional | yes |
| Max raw capacity | 48 TB internal; 288 TB with 2x DX1215 | 72 drives |
| Hot-swap | yes | yes |
| Form factor | desktop | 2U rackmount |
| Released | 2018 | 2017 |
| Power consumption | — | — |
| DSM at launch | — | 6.1 |