| Specifications | ||
| Details | Product code | CRS312-4C+8XG-RM |
| Architecture | MIPSBE | |
| CPU | QCA9531 | |
| CPU core count | 1 | |
| CPU nominal frequency | 650 MHz | |
| Dimensions | 443 x 183 x 44 mm | |
| RouterOS license | 5 | |
| Operating System | RouterOS / SwitchOS | |
| Size of RAM | 64 MB | |
| Storage size | 16 MB | |
| Storage type | FLASH | |
| MTBF | Approximately 200’000 hours at 25C | |
| Tested ambient temperature | -30°C to 70°C | |
| Powering | Number of AC inputs | 2 |
| AC input range | 100-240 | |
| Max power consumption | 60 W | |
| FAN count | 4 | |
| Ethernet | 10/100 Ethernet ports | 1 |
| Number of Combo 10G Ethernet/ SFP+ ports | 4 | |
| Number of 1G/2.5G/5G/10G Ethernet ports | 8 | |
| Peripherals | Serial console port | RJ45 |
| Number of USB ports | 1 | |
| USB Power Reset | Yes | |
| USB slot type | USB type A | |
| Max USB current (A) | 1 | |
| Other | CPU temperature monitor | Yes |
| Voltage Monitor | Yes | |
| Certification & Approvals | Certification | CE, EAC, ROHS |