Side-by-side specifications of the Synology RS819 and RS826RP+, from official datasheets. Differences are highlighted.
| RS819 | RS826RP+ | |
| CPU | Realtek RTD1296 | AMD Ryzen V1500B |
| Cores / threads | 4-core | 4/8 |
| RAM (base) | 2 GB DDR4 | 4 GB DDR4 ECC SODIMM |
| RAM (max) | 2 GB | 32 GB |
| Drive bays | 4 | 4 |
| Expandable to | 8 | 8 |
| M.2 slots | 0 | 2 |
| Network | 2x 1GbE | 4x 1GbE RJ-45 |
| 10GbE | no | optional |
| Max raw capacity | 48 TB | 108 TB |
| Hot-swap | yes | yes |
| Form factor | 1U rackmount | 1U rackmount |
| Released | 2019 | 2026 |