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Customer Ratings & Reviews

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Customer reviews

Rating 4.4 out of 5 stars with 839 reviews

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Rating by feature

  • Connection Quality

    Rating 4.4 out of 5 stars

  • Performance

    Rating 4.4 out of 5 stars

  • Setup

    Rating 4.6 out of 5 stars

Pros mentioned filter

Cons mentioned filter

85%would recommend to a friend

Customers are saying

Customers have good things to say about the MB8611 32x8 DOCSIS 3.1 Cable Modem's ease of use, performance, and setup process. Many appreciate its 2.5 GB Ethernet port and consider it a good value. However, some customers reported issues with connection stability and signal drops. The modem's compatibility with various internet service providers is also noted.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 25 Showing 481-500 of 839 reviews
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Modem that works with Comcast

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this modem as I upgraded my Comcast internet speed. No issues so far and everything has been running smoothly.

    I would recommend this to a friend
  • Cons mentioned:
    Connection

    Rated 1 out of 5 stars

    Stay Away

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Crap. So many issues with this modem. Completely unreliable, apparently due to some firmware update issue between Motorola and Comcast. Continually drops the Internet feed. Stay away

    No, I would not recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    great router for the money

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    excellent modem. Since I went from a 1 gig modem to this, my internet speeds have increased a lot.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    Router

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Solid unit was very easy set up. I’m staying connected

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Lightning fast

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Replaced a previous Motorola modem that was 12 years old. This new model is so fast that I have to upgrade my router now too !

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Very Good Modem

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Super fast modem. Works great with Cox Gigablast and get max downloads of around 940mb.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Nice modem

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Im getting my 1.2gb download speed from my isp comcast ... recommended 100%

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Quick and easy installation

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using for a one story house about 1800 square feet. Works great, was quick and easy to install, and I haven't had any issues.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    One of the best and reliable modems

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very good modem. Have used it for a few weeks now with absolutely no issues.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Awesome cable modem!!

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome cable modem!! Now getting full speed from xfinity. Very happy with this purchase!

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Do your own tests

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    No idea why this one is supposed to be faster than arris surfboard 8200 but it never gave me more than 850 while surfboard gives me 1200 speed It could be xfinity issue or since it is a new they don’t have a software update optimized. I sadly returned it.

    I would recommend this to a friend
  • Pros mentioned:
    Setup

    Rated 5 out of 5 stars

    Would recommend

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Simple set up and does it's job. Would recommend I am having speed issues but I'm confident that's comcast's fault not the modem

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Multiple Daily Reboots

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This modem is listed as an Xfinity-compatible modem, however it rebooted multiple times a day when Xfinity pushed firmware changes (going back and forth between two versions). We eventually found discussion of this issue on an Xfinity forum which is how we got to the root of the problem. Motorola offered to replace the modem (their customer service rep was great), but according to others on the forum, replacement did not fix the issue for them so we returned it and purchased a different one (Arris S33) which has been rock solid so far.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Great speed for Xfinity users

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Lightning fast speed and compatibility with my Xfinity internet = everything I could ask for.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Great Modem

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great modem. Would Recommend.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Excellent Modem! Met/exceeded expectations!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We needed a Modem that can handle a higher bandwidth and this had amazing reviews, I tried it and LOVE it!

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Diwa

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    After using this new device, my internet speed is really good. I like this modem.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Stop paying comcast

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Cable is fast this is what you need to stop paying comcast a bunch of money.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Speed demon!

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This modem is a speed demon and handles high speed Xfinity flawlessly!

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Rated 5 out of 5 stars

    Fantastic Speed and Easy Setup

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy setup and fantastic speed for COX cable Internet, which helped fix the slow speed issue I had with my previous modem.

    I would recommend this to a friend