Side-by-side specifications of the Synology FS1018 and FS2500, from official datasheets. Differences are highlighted.
| FS1018 | FS2500 | |
| CPU | Intel Pentium D1508 | AMD Ryzen V1780B |
| Cores / threads | 2 cores / 2 threads | 4 cores / 8 threads |
| RAM (base) | 8 GB DDR4 ECC SODIMM | 8 GB DDR4 ECC UDIMM |
| RAM (max) | 32 GB | 32 GB |
| Drive bays | 12 | 12 |
| Expandable to | 24 (DX1215 x 2) | 0 |
| M.2 slots | 0 (via optional adapter card) | 0 |
| Network | 4x 1GbE | 2 × 1GbE RJ-45; 2 × 10GbE RJ-45 |
| 10GbE | optional | yes |
| Max raw capacity | 48 TB internal; 288 TB with 2x DX1215 | N/A |
| Hot-swap | yes | N/A |
| Form factor | desktop | 1U rackmount |
| Released | 2018 | 2025 |
| Power consumption | — | 74.83 W / N/A |
| DSM at launch | — | — |