Side-by-side specifications of the Synology RS3411XS and SA3400, from official datasheets. Differences are highlighted.
| RS3411XS | SA3400 | |
| CPU | unknown | Intel Xeon D-1541 |
| Cores / threads | unknown | 8-core |
| RAM (base) | 4GB | 16 GB |
| RAM (max) | 8GB | 128 GB |
| Drive bays | 10 | 12 |
| Expandable to | 2 via RX1211/RX1211RP | 96 |
| M.2 slots | 0 | 0 |
| Network | 4x Gigabit | 2x 10GbE + 4x 1GbE |
| 10GbE | optional | yes |
| Max raw capacity | 30TB base; up to 100TB with expansion | 1536 TB |
| Hot-swap | yes | yes |
| Form factor | 2U | rackmount |
| Released | 2011 | 2017 |