Side-by-side specifications of the Synology DS1812+ and DS1823xs+, from official datasheets. Differences are highlighted.
| DS1812+ | DS1823xs+ | |
| CPU | Dual Core 2.13 GHz | AMD Ryzen V1780B |
| Cores / threads | 2 cores / 2 threads | 4 cores / 8 threads |
| RAM (base) | 1 GB | 8 GB DDR4 ECC SODIMM |
| RAM (max) | 3 GB | 32 GB |
| Drive bays | 8 | 8 |
| Expandable to | 10 | 18 total with 2× DX517 |
| M.2 slots | 0 | 2 NVMe |
| Network | 2x Gigabit | 2× 1GbE RJ-45; 1× 10GbE RJ-45; 1× out-of-band management |
| 10GbE | no | yes |
| Max raw capacity | 54 TB | 324 TB raw with 2× DX517 |
| Hot-swap | yes | yes |
| Form factor | Desktop | Desktop |
| Released | 2012 | 2023 |
| Power consumption | 71.5 W / 28.6 W | 87.93 W / 28.37 W |
| DSM at launch | — | — |