The Hawk’s numerous input and output options provide easy-to-implement system communication and peripheral connectivity. Basic on-board features include Gigabit Ethernet with network boot capability, four USB host ports, two multi-function serial ports, and HD audio. The on-board mini PCIe card socket accepts a variety of plug-in modules such as WiFi modems, analog to digital converters, GPS receivers, additional Ethernet ports, flash data storage and other small sized plug-in cards for added flexibility.