Comcast Xfinity XB7-T Modem WiFi Router is a high-speed device with a maximum downstream data rate of 10 Gbps, designed to work with PCs. It features a white color and multiple ports including Ethernet (RJ-45) and wireless connectivity. With support for the DOCSIS 3.1 standard, this router from XFINITY also offers four LAN ports for wired connections. Made for use with Comcast services, this modem device combines both wireless and wired connectivity options for home networking needs.