Side-by-side specifications of the Synology DS210+ and DS211j, from official datasheets. Differences are highlighted.
| DS210+ | DS211j | |
| CPU | 1.06 GHz 64-bit | Marvell 88F6281 |
| Cores / threads | — | 1/1 |
| RAM (base) | DDR | 128 MB |
| RAM (max) | — | 128 MB |
| Drive bays | 2 | 2 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1GbE | 1x Gigabit Ethernet |
| 10GbE | no | no |
| Max raw capacity | — | 6 TB |
| Hot-swap | — | no |
| Form factor | desktop | Desktop |
| Released | 2010 | 2010 |
| Power consumption | 30 W / null | 28.2 W / 9.5 W |
| DSM at launch | 2.3 | — |