Supports IPv4 and IPv6 networking, as well as Windows, Mac, and Linux computers
Front-panel LEDs indicate status and simplify troubleshooting
This is a Motorola DOCSIS 3.0 TWC approved Modem is a new and improved version of the worlds most widely deployed DOCSIS cable modems. For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.10 / 100 / 1000 Base-T Ethernet Port (RJ-45). Additional information: TWC approved modem that requires CABLE Internet Service, if not sure your who your provider is then call them to confirm. Compatible with ALL Major CABLE providers like Comcast, Cox, Charter, Time Warner, Mediacom, Bright House, TWC approved modem. From the Manufacturer: Motorola SURFboard SB6121 delivers your complete personal media experience, at lightning-fast broadband speed. It harnesses the power of DOCSIS 3.0 technology to bond up to four downstream channels and four upstream channels--providing you advanced multimedia services with data rates of more than 100 Mbps in each direction. That makes gaming, shopping, downloading, working, high-quality voice and video conferencing, and peer-to-peer networking applications far more realistic, faster, and efficient than ever before. Key Features: - Plug and play installation - Front panel LEDs indicate status and simplify troubleshooting - Multi-language user guides - User-friendly online diagnostics - Backward-compatible to DOCSIS/EuroDOCSIS 1.x and 2.0 - DOCSIS 3.0-certified (EuroDOCSIS 3.0-based) - Supports IPv4 and IPv6 to expand network addressing capabilities - Compatible with Windows, Macintosh, and UNIX computers. - Gigabit Ethernet (RJ-45) data port enable flexible, high-speed connectivity. Perfect replacement as a TWC approved modem!