The RB493 has nine ethernet ports and three miniPCI slots, it also has a switch chip, so the ethernet ports 2-9 can be grouped together to make it act as a switch.
RB493 includes RouterOS – the operating system, which will turn this powerful system into a highly sophisticated router, firewall or bandwidth manager.
The RB493AH model includes the higher speed Atheros 680MHz CPU, more memory, and a Level5 license for more simultaneous tunnel interfaces and hotspot users.
|10/100 Ethernet ports||9|
|CPU core count||1|
|CPU nominal frequency||680 MHz|
|Size of RAM||128 MB|
|Storage size||64 MB|
|Supported input voltage||8 V – 28 V|
|Tested ambient temperature||-40°C .. 70°C tested|