Side-by-side specifications of the Synology RS2418RP+ and RS2423+, from official datasheets. Differences are highlighted.
| RS2418RP+ | RS2423+ | |
| CPU | Intel Atom C3538 | AMD Ryzen V1780B |
| Cores / threads | 4-core | 4/8 |
| RAM (base) | 4 GB | 8 GB DDR4 ECC UDIMM |
| RAM (max) | 64 GB | 32 GB |
| Drive bays | 12 | 12 |
| Expandable to | 24 | 24 |
| M.2 slots | 2 via adapter | 0 |
| Network | 4 x 1GbE | 2x 1GbE, 1x 10GbE |
| 10GbE | optional | yes |
| Max raw capacity | 288 TB | 432 TB |
| Hot-swap | yes | yes |
| Form factor | 2U rackmount | 2U |
| Released | 2022 | 2025 |