Unas 4 is $120 cheaper; UNAS Pro 4 has more RAM (8 GB vs 4 GB).
| Unas 4 | UNAS Pro 4 | |
|---|---|---|
| Price | $379 | $499 |
| CPU | Arm Cortex A55 | Arm Cortex A57 |
| RAM | 4 GB | 8 GB |
| Storage | — | — |
| Graphics | — | — |
| Display | 47″ | — |
| Operating system | — | — |
| Weight | 5.7 lb | 14.8 lb |
| Ethernet | 2.5 GbE | 10 GbE |
| Ports | RJ45 | RJ45 |
