Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds

Price: [price_with_discount]
(as of [price_update_date] – Details)


Product Description

eliminate your rental feeseliminate your rental fees

enables ultra-fast internetenables ultra-fast internet

superior internet speeds while saving up to 168 dollarssuperior internet speeds while saving up to 168 dollars


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.


future prooffuture proof



Easy Setup

Enjoy a straightforward setup process with just 3 connections – power, coax cable, and Ethernet.

Future Proof

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 Managment Active Queue Managment

Proactive protection Proactive protection

two year two year


Active Queue Management

Significantly reduces Internet latency to provide faster page loads, streaming, and video conferencing.

Proactive Protection

Ruggedized lightning and power surge circuits protect your investment

2-Year Agreement

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

Wifi Standard
WiFi 6 WiFi 6 WiFi 5

Wifi Speeds
AX1800 AX1800 AC2600

WiFi Mesh System Wifi Router Traditional Router

Motosync Smart App




Ultra-fast DOCSIS 3.1 performance – Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward compatible with 32×8 DOCSIS 3.0.
Pairs with any WiFi router – Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
Multi-gigabit Ethernet speed – A 2.5 GB Ethernet port delivers true high-speed connectivity to even the fastest routers and computers, providing downstream speeds just below 2,500 Mbps and upstream speeds up to 800 Mbps when supported by your internet service plan.
Fast streaming, conferencing, gaming – Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online gaming, conferencing, and streaming.
Extreme cost savings – Owning your own modem typically saves the home $168 per year in monthly rental charges. (Savings described is for Comcast Xfinity and vary by service provider.)
Built for reliability – Motorola is a worldwide leader in technology people depend on. Comes with a 2-year warranty and free support from our team of USA technicians.


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