The Comcast Xfinity XB6-T Gigabit Modem WiFi Router is a white unit that fits a PC and offers both wireless and wired Ethernet connectivity. It features four LAN ports and is designed by Xfinity, making it a reliable choice for homes or small offices. With its cable modem capabilities and broadband compatibility, this router provides a seamless internet connection for various devices. It is a tested and working unit that ensures fast and efficient internet access.