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Get the most out of your high-speed internet service while saving money with the Motorola MB8611 DOCSIS 3.1 Cable Modem. This 32×8 DOCSIS 3.1 cable modem is certified to support 2.5 Gb/s cable internet service plans from Comcast Xfinity, Charter Spectrum, and Cox to deliver exceptionally fast speeds for smooth 4K video streaming, playing online games, backing up data, and more. Connect a separately purchased compatible router to the available 2.5G Ethernet port for maximum performance.
Don’t worry if you don’t have 2.5G internet speeds in your area yet. The Motorola MB8611 cable modem is backward compatible with lower internet speeds and previous DOCSIS versions. It is also ready for future internet speeds of up to 6 Gb/s, allowing you to upgrade down the road without having to buy another modem By owning your own cable modem, you can potentially save money on paying monthly rental fees to your cable company. Please note that this cable modem does not have a built-in wireless router or telephone capabilities and will not work with cable bundled voice services, nor will it work with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.
| Weight | 1.94 lbs |
|---|---|
| Dimensions | 9.6 × 8.6 × 2.6 in |
| Ports | 1 x 2.5 Gigabit Ethernet LAN Port<br> |
| DOCSIS Support | DOCSIS 3.1 |
| Channels | 32 x Downstream Channels <br> |
| Data Throughput | Up to 6000 Mb/s Downstream<br> |
| IPv4 and IPv6 Dual Stack | Yes |
| Network Protocols | IPv4, IPv6, TCP, UDP, ARP, ICMP, DHCP, FTP, TFTP, SNMP, HTTP, HTTPS |
| AC Adapter Input | 100 to 240 VAC |
| DC Voltage | 12 V at 1.5 A |
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| LED Indicators | 5 x Status LEDs |
8 reviews for Motorola MB8611 DOCSIS 3.1 Cable Modem
Only logged in customers who have purchased this product may leave a review.
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Tyrel Daugherty (verified owner) –
Eliminated the $14 equipment rental with Xfinity by buying my own modem and router.
Susana Bode (verified owner) –
easy install with the internet provider. needed to sign-in again with user id. performance with direct ethernet connection is amazing!
Katlyn Gutkowski (verified owner) –
I just upgraded my Netgear CM1000 to Xfinity approved Motorola MB8611. I followed the instructions from manual and able to set-up the modem w/ out any help from Customer Service easy peasy. So far, I didn’t have any issues and uploading the webrowser was snappy or quick upload. The reason I purchase this modem is for future proof ( or don’t have to worry to update maybe after 3-5 years) and fits my budget.
Trisha Ward (verified owner) –
Working with B&H was exceptional. Very easy transaction and item was shipped very fast and was in excellent condition. Highly recommend this company.
Viviane Kreiger (verified owner) –
Very simple, robust, and FAST modem with a 2.5 gb port. You can’t go wrong.
Florine Ziemann (verified owner) –
Top notch. Works right out of the box, hitting the speeds beyond 1Gbps without any hesitation. Love it!
Jane Halvorson (verified owner) –
This modem was one of the supported devices for Comcast’s 1.2G internet service, but since I switched to it I have had nothing but trouble. It drops at least 1-2 times per day, and sometimes 6-8 times. A simple Google search for ‘Motorola MB8611 issues comcast’ will yield dozens of posts discussing similar problems. Since I work from home most days and am on Zoom constantly, this is a huge problem.
Carmine Denesik (verified owner) –
Higher speed, that’s nice. Hopefully without the newer problems that Motorola seems to be having. Only time will tell.