| Details | |
|---|---|
| Product code | CRS305-1G-4S+OUT |
| Architecture | ARM 32bit |
| CPU | 98DX226S |
| CPU core count | 2 |
| CPU nominal frequency | 800 MHz |
| RouterOS license | 5 |
| Operating System | RouterOS v7 / SwOS |
| Size of RAM | 256 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 200'000 hours at 25C |
| Tested ambient temperature | -40°C to 70°C |
| Details | |
|---|---|
| Number of DC inputs | 3 (DC jack, PoE-IN, 2-pin terminal) |
| DC jack input Voltage | 24-57 V |
| 2-pin terminal input Voltage | 24-57 V |
| Max power consumption | 17 W |
| Max power consumption without attachments | 7 W |
| Cooling type | Passive |
| PoE in | 802.3af/at |
| PoE in input Voltage | 42-57 V |
| Details | |
|---|---|
| 10/100/1000 Ethernet ports | 1 |
| Details | |
|---|---|
| SFP+ ports | 4 |
| Details | |
|---|---|
| Serial console port | RJ45 |
| Details | |
|---|---|
| CPU temperature monitor | Yes |
| Details | |
|---|---|
| Certification | CE, EAC, ROHS |
| IP | IP66 |



