Side-by-side specifications of the Synology DS413j and DS414, from official datasheets. Differences are highlighted.
| DS413j | DS414 | |
| CPU | Marvell Armada 370 | Marvell Armada XP |
| Cores / threads | 1/1 | 2-core |
| RAM (base) | 512 MB | 1GB |
| RAM (max) | 512 MB | 3GB |
| Drive bays | 4 | 4 |
| Expandable to | 0 | 0 |
| M.2 slots | 0 | 0 |
| Network | 1x Gigabit | 2x Gigabit |
| 10GbE | no | no |
| Max raw capacity | 16 TB | 16TB |
| Hot-swap | yes | yes |
| Form factor | Desktop | Desktop |
| Released | 2013 | 2013 |
Choose the DS414 if you want the better buy: it has a faster CPU, more RAM headroom, and effectively more longevity for SMB use. Both are 4-bay units with no expansion, and neither has 10GbE or M.2; the DS414 is the stronger platform overall.