Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem is a high-speed cable modem that supports up to 10Gbps downstream and 100Mbps upstream. This modem is perfect for home or office users who need the best performance possible. With its easy-to-use interface, Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem is the perfect choice for anyone looking for a high-speed cable modem.
Enables Ultra-Fast Internet
Featuring DOCSIS 3.1 support, the only standard that can deliver speeds over 1 Gbps/second, this modem is approved for all multi-Gigabit speed tiers by Comcast Xfinity.
Superior Tech that Pays for Itself
Eliminate monthly cable modem rental fees and save on average 168 dollars per year on your Comcast Xfinity bill. Please Note: Actual savings depend on your service provider.
Connects to Any Router
Pair with any WiFi router, including mesh or gaming routers, for shared Internet access by all your WiFi and Ethernet-capable devices.
Enjoy a straightforward setup process with just 3 connections – power, coax cable, and Ethernet.
Ultra-fast DOCSIS 3.1 performance with backwards compatibility to 32×8 DOCSIS 3.0.
2.5 Gbps Ethernet Port
High-speed Internet for any computer, smart TV, game station, or other ethernet-capable device.
Fastest Response Time
Featuring low latency to enhance speed and save energy for interactive games.
Active Queue Management
Significantly reduces Internet latency to provide faster page loads, streaming, and video conferencing.
Ruggedized lightning and power surge circuits protect your investment
The MB8611 comes backed by our two-year quality agreement.
English & Spanish Support
Need Additional assistance? Our experienced, USA-based customer support specialists are here to help.
Get the most out of your multi-gig cable modem with a gigabit WiFi router or mesh
MH7603 Mesh – 3 Pack (Bundle) MH7602 Mesh – 2 Pack (Bundle) MR2600 Router (Bundle) Wifi Standard WiFi 6 WiFi 6 WiFi 5 Wifi Speeds AX1800 AX1800 AC2600 Type WiFi Mesh System Wifi Router Traditional Router Motosync Smart App ✓ ✓ x Expandable ✓ ✓ x