Side-by-side specifications of the Synology DS1817 and DS1823xs+, from official datasheets. Differences are highlighted.
| DS1817 | DS1823xs+ | |
| CPU | Intel Atom C2538 1.7 GHz | AMD Ryzen V1780B |
| Cores / threads | quad-core/4 threads | 4 cores / 8 threads |
| RAM (base) | 4 GB | 8 GB DDR4 ECC SODIMM |
| RAM (max) | 8 GB | 32 GB |
| Drive bays | 8 | 8 |
| Expandable to | 10 | 18 total with 2× DX517 |
| M.2 slots | 0 | 2 NVMe |
| Network | 2 x 1GbE RJ-45, 2 x 10GBASE-T RJ-45 | 2× 1GbE RJ-45; 1× 10GbE RJ-45; 1× out-of-band management |
| 10GbE | yes | yes |
| Max raw capacity | 180 TB | 324 TB raw with 2× DX517 |
| Hot-swap | yes | yes |
| Form factor | desktop | Desktop |
| Released | 2017 | 2023 |
| Power consumption | — | 87.93 W / 28.37 W |
| DSM at launch | — | — |