Side-by-side specifications of the Synology DS1511+ and DS923+, from official datasheets. Differences are highlighted.
| DS1511+ | DS923+ | |
| CPU | 1.8GHz dual-core | AMD Ryzen R1600 |
| Cores / threads | 2 cores / 2 threads | 2 cores / 4 threads |
| RAM (base) | 1GB | 4 GB DDR4 ECC SODIMM |
| RAM (max) | 3GB | 32 GB |
| Drive bays | 5 | 4 |
| Expandable to | 10 (2× DX510) | 5 |
| M.2 slots | 0 | 2 |
| Network | 2× Gigabit | 2 x 1GbE RJ-45 |
| 10GbE | no | optional |
| Max raw capacity | 15TB | 108 TB single volume; 9 drives with DX517 |
| Hot-swap | yes | yes |
| Form factor | desktop | Desktop |
| Released | 2011 | 2022 |
| Power consumption | 68 W / 30 W | 35.51 W / 11.52 W |
| DSM at launch | — | — |