300MHz CPU, 64MB RAM, 9x Ethernet, 3xminiPCI, RouterOS L4
The RB493 has nine ethernet ports and three miniPCI slots, it also has a switch chip, so the ethernet ports of your choice 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.
Mikrotik RB493, 64 MB, AR7130, 300 MHz, Fast Ethernet (10/100), 10 - 28 V, 3 W
Mikrotik RB493. Internal memory: 64 MB. Processor model: AR7130, Processor frequency: 300 MHz. Basic switching RJ-45 Ethernet ports type: Fast Ethernet (10/100). Power over Ethernet (PoE) voltage range: 10 - 28 V. Power consumption (typical): 3 W, Power connector: DC-in-jack, Power consumption (max): 12 W