Side-by-side specifications of the Synology DS1618+ and DS1813+, from official datasheets. Differences are highlighted.
| DS1618+ | DS1813+ | |
| CPU | Intel Atom C3538 | dual-core CPU |
| Cores / threads | 4 cores / 4 threads | 2 cores / unknown threads |
| RAM (base) | 4 GB DDR4 non-ECC SODIMM | 2 GB |
| RAM (max) | 32 GB | 4 GB |
| Drive bays | 6 | 8 |
| Expandable to | 10 (with 2× DX517) | 10 (2 DX513 units) |
| M.2 slots | 2 (via optional adapter card) | 0 |
| Network | 4× 1GbE RJ-45 | 4 x Gigabit |
| 10GbE | optional | no |
| Max raw capacity | 192 TB raw (with 2× DX517) | 72 TB |
| Hot-swap | yes | yes |
| Form factor | Tower | tower |
| Released | 2018 | 2013 |
| Power consumption | 56.86 W / 25.76 W | 75.19 W / 34.12 W |
| DSM at launch | — | — |