Side-by-side specifications of the Synology DS1019+ and DS1515, from official datasheets. Differences are highlighted.
| DS1019+ | DS1515 | |
| CPU | Intel Celeron J3455 | Annapurna Labs Alpine AL-514 |
| Cores / threads | 4 cores / 4 threads | 4 cores / 4 threads |
| RAM (base) | 8 GB DDR3L non-ECC | 2 GB |
| RAM (max) | 8 GB | 2 GB |
| Drive bays | 5 | 5 |
| Expandable to | 5 | 15 |
| M.2 slots | 2 M.2 2280 NVMe | 0 |
| Network | 2 x 1GbE RJ-45 | 4 x 1GbE |
| 10GbE | no | no |
| Max raw capacity | 60 TB internal raw; 10 drives with DX517 | 40 TB |
| Hot-swap | yes | yes |
| Form factor | Desktop | Desktop |
| Released | 2019 | 2015 |
| Power consumption | 38.59 W / 13.32 W | — |
| DSM at launch | — | — |