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Customer reviews

Rating 4.7 out of 5 stars with 324 reviews

Rating Filter

Rating by feature

  • Connection Quality

    Rating 4.8 out of 5 stars

  • Performance

    Rating 4.8 out of 5 stars

  • Setup

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers express satisfaction with the MB7621 cable modem's ease of use, performance, and setup process, frequently citing positive experiences with installation and speed. Many appreciate its compatibility with various routers and internet service providers, as well as its reasonable price. However, some users reported occasional connection issues and noted the lack of built-in Wi-Fi functionality. A few also mentioned the modem's size and the need for sufficient channels for optimal performance.

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 11 Showing 201-220 of 324 reviews
  • Rated 5 out of 5 stars

    Modem

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

    I never used the modem and returned it because I went with frontier.

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

    Rated 5 out of 5 stars

    Modem Review

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

    When I got my new computer I wanted a new modem also and the online Best Buy tech recommended this and I am very happy with it!

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

    Rated 5 out of 5 stars

    Easy set up

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

    I am not that tech savvy and was worried that I might have trouble setting up my wifi, but this was very easy to set up. So happy I bought my own router rather than renting.

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

    This modem is absolutely awesome. I've had it for a year and there have been no issues with it whatsoever. I would highly recommend this modem to go with any router.

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

    Rated 5 out of 5 stars

    Replacement for Xfinity Equipment

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

    Performance is smooth and fast. Better than expected. Durable too. It survived an heavy electrical storm. Not much else to say, except. Hurry up and Buy! Enjoy!

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

    Rated 5 out of 5 stars

    No issues, works well.

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

    I bought this for my parents as part of an Internet upgrade since they had an older cable modem that was way outdated. No issues with set up or operation.

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

    Rated 5 out of 5 stars

    Satisfied

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

    Meets my need for a home office. My cable speed is 100 MPs so this works well. Partnered it with Nest WiFi and I get 100+ mps throughout 2,500 square feet one-level home.

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

    Rated 5 out of 5 stars

    Xfinity compatible

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

    I use this router from my Xfinity cable service in it provides 450 megabits per second as described would recommend

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

    Rated 5 out of 5 stars

    Motorola modem

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great replacement for Spectrums rental equipment. Good for 300mbps speed.

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

    Rated 5 out of 5 stars

    Excellent Modem

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent modem. Easy to set up. Lights are not super obtrusive and the indicators of connection quality are actually useful.

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

    Rated 3 out of 5 stars

    Average modem.

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

    Lose connection in downstairs section of my house on occasion.

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

    Rated 5 out of 5 stars

    Good low priced fast modem

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

    We have Comcast and we're not getting great speed we updated with this modem and got a new router and finally we hit the internet speeds were paid for.

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

    Easy to install

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

    this was very easy to install it does not however work with xfinity wifi it is dsl only

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

    Rated 5 out of 5 stars

    Fast Internet speeds and convenient power button

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

    I am enjoying very fast Internet speeds since updating to this modem. The power button is also convenient, which was not on my last modem.

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

    So far so good

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

    Have had the modem for about two weeks and it’s working as advertised.

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

    Rated 5 out of 5 stars

    Inexpensive sub-Gigbit Cable Modem

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

    Getting over 600Mbs down on my 600Mbs plan from Xfinity. Works great with both an older Google Wifi (puck) and my new Eero 6 Pro mesh systems!

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

    Rated 5 out of 5 stars

    Meets or exceeds expectations

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

    I just paired this up with new Sparklight internet service. Lightning fast!!

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

    Rated 5 out of 5 stars

    Good Modem

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

    This was the third one since our internet went bad last month. This one seems very stable. It has performed as expected.

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

    Rated 5 out of 5 stars

    Cut the rental fees

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

    Works like a charm. Easy to install out of the box following instructions. Nice to cut the recurring charge from cable companies.

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

    Rated 5 out of 5 stars

    Great Modem

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

    It was great. The set up is relatively easy. It does it's job. A great connection to my router.

    I would recommend this to a friend