MB8600 is a DOCSIS 3.1 Cable Modem certified by Comcast XFINITY, Comcast Business, Cox Communications, Spectrum and more. Owning your own modem often saves $156 per year in cable modem rental charges. MB8600 supports ultrafast DOCSIS 3.1, the only cable modem standard that can deliver Internet speeds of 1Gbps or higher. Actual speeds depend on your cable modem service and the speed of your Ethernet LAN ports. MB8600 also has 32x8 support for the fastest possible speeds using the DOCSIS 3.0 standard. Even if you don't have DOCSIS 3.1 service now, you can benefit from the fastest available DOCSIS 3.0 capability that's also built into this cable modem. For simultaneous Internet access to many devices, plug in any router you like. The MB8600 provides high-speed Internet for a computer, router, HDTV, game station, or streaming media device. This product has 1 open Ethernet GigE LAN port. There are 3 additional Ethernet GigE LAN ports masked behind a label. Current firmware supports bonding on 2 Ethernet ports, which is essential for delivering speeds over 1Gbps. Top actual speed is just under 1Gbps without bonding, and just under 2Gbps with 2 bonded ports. In order to have port bonding increase your modem's speed to over 1Gbps, your router needs to support port bonding. MB8600 features low latency, for the fast response needed for many interactive games. It includes It includes DOCSIS 3.1 Active Queue Management (AQM) which speeds page loads, gaming, and video conferencing. Setup is fast and easy with our Quick Start guide. Our experienced USA-based support specialists are ready to help. With Motorola extras including advanced surge and lightning protection, and a 2-year warranty, MB8600 is a superb choice for customers who want the ultimate in cable modem performance. MB8600 does NOT include a WiFi Router or VoIP telephone adapter.