Multi Port Router with Voltage Monitor is designed with nine Gigabit Ethernet ports, three miniPCI slots and two switch chips, so the Ethernet ports can be connected together in two switch groups for wire speed throughput. The Multi Port Router also has a USB 2.0 port and a micro SD card slot for adding more storage. The Multi Port Router comes equipped with a 3G USB modem for backup connectivity. The Multi Port Router with Voltage Monitor is based on Atheros AR7161 CPU that features 256MB of built-in RAM.