The RB493G has nine Gigabit ethernet ports, three miniPCI slots, and a switch chip, so the ethernet ports 2-9 can be grouped together to make it act as a switch. The RB493G also has a USB 2.0 port and a microSD card slot for adding more storage or a 3
| Product code | RB493G |
| Current Monitor | NA |
| CPU speed | 680Mhz |
| CPU | NA |
| RAM | 256MB |
| Architecture | MIPS-BE |
| LAN ports | 9 |
| MiniPCI | 3 |
| miniPCI-e | NA |
| Integrated Wireless | NA |
| USB | 1, external power required |
| Memory Cards | NA |
| Power Jack | 10 to 28v |
| PoE | 10 to 28v |
| Voltage Monitor | Yes |
| Temperature sensor | NA |
| Temperature range | -30C +60C |
| RouterOS License | L5 |
| Dimensions | 105mm x 160mm |
| Gigabit | Yes, all 9 |