Side-by-side specifications of the Synology DS1019+ and DS620slim, from official datasheets. Differences are highlighted.
| DS1019+ | DS620slim | |
| CPU | Intel Celeron J3455 | Intel Celeron J3355 |
| Cores / threads | 4 cores / 4 threads | 2 cores / 2 threads |
| RAM (base) | 8 GB DDR3L non-ECC | 2 GB DDR3L |
| RAM (max) | 8 GB | 6 GB |
| Drive bays | 5 | 6 |
| Expandable to | 5 | 0 |
| M.2 slots | 2 M.2 2280 NVMe | 0 |
| Network | 2 x 1GbE RJ-45 | 2 × 1GbE RJ-45 |
| 10GbE | no | no |
| Max raw capacity | 60 TB internal raw; 10 drives with DX517 | 30 TB raw |
| Hot-swap | yes | yes |
| Form factor | Desktop | desktop, 2.5-inch |
| Released | 2019 | 2019 |
| Power consumption | 38.59 W / 13.32 W | 34.88 W / 7.59 W |
| DSM at launch | — | — |