343 Mbps cable modem provides very fast Internet over cable by connecting modem's 10-100-1000 Ethernet port to your computer or router Data throughput will be reduced by network overhead.Delivered data speeds are also dependent upon the configuration and capacity of the data-over-cable service on which the 5345 is used.Owning this cable modem eliminates modem rental charges (typically $8 to $10 every month) from Comcast XFINITY and Time Warner Cable along with other cable service providers This 8x4 cable modem has eight downstream channels (four more than 4x4 cable modems) and gives higher average download speeds than 4x4 modems even when the service speed is below this cable modem's top speed of 343 Mbps

8x4 DOCSIS 3.0 cable modem plus a built-in N450 Single Band (2.4 GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewall, and more. This product is recommended for actual cable Internet service speeds up to 145 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks. Requires cable Internet service. Approved by Comcast Xfinity, Cox, Charter Spectrum, Timer Warner Cable, BrightHouse, WOW, CableOne, RCN, Mediacom and other cable service providers for use in their modem ownership programs that save rental charges up to $132 per year. (Savings are shown for Comcast Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MG7315 has no phon Built-in high-speed WiFi router with N450 Wi-Fi and Power Boost provides Internet access for WiFi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.