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  • Front. NETGEAR - 8 x 4 DOCSIS 3.0 Cable Modem - Black.
  • Left. NETGEAR - 8 x 4 DOCSIS 3.0 Cable Modem - Black.
  • Alt View 11. NETGEAR - 8 x 4 DOCSIS 3.0 Cable Modem - Black.
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NETGEAR - 8 x 4 DOCSIS 3.0 Cable Modem - Black

Model:
CM400-100NAS
SKU:
8860013
Highly rated by customers for:
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Customer reviews

Rating 4.5 out of 5 stars with 2038 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.3 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

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93%would recommend to a friend

Customers are saying

Customers often highlight the 8 x 4 DOCSIS 3.0 Cable Modem's ease of use, strong performance, and attractive price point. Many appreciate its compact size and straightforward setup process, finding it compatible with their existing services. While some users noted the device can get warm during operation and occasional signal interruptions, the positive feedback on performance and ease of use outweighs these concerns for most.

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 87 Showing 1,721-1,740 of 2,038 reviews

  • Small & simple

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

    It was small and simple to set up but it didn't work for me . It wasn't fast enough for me .

    I would recommend this to a friend

  • Money saver

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

    Fast and efficient, great replacement for the cable-mandated routers, at 1/6th the size.

    I would recommend this to a friend

  • Router works great

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

    Plugged it in and connected to my ISP and everything was working in minutes

    I would recommend this to a friend

  • Good value

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

    Nice modem that suffices moderate bandwidth and eliminates monthly rental fees.

    I would recommend this to a friend

  • Not sure how it works yet

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

    Didn't have the device too long, can't rate it, give 4 star for now. May adjust if needed.

    I would recommend this to a friend

  • Great router for the price

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

    It is space efficient and does the job well. I got it at a good price so it was a bonus!

    I would recommend this to a friend

  • NETGEAR HAPPY !

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

    As a Family we have always liked NETGEAR products. I would recommend this item to anyone.

    I would recommend this to a friend

  • Good modem

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

    I made an alright choice it's getting the job done. I'm only giving a because I have to.

    I would recommend this to a friend

  • Great product

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

    I am saving money using this product by replacing my Time Warner modem. Works great.

    I would recommend this to a friend

  • Gets the job done

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

    Nothing special. Gets the job done so you don't have to rent from your cable provider.

    I would recommend this to a friend

  • The product is reliable for its price

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

    Good product for the price. The product is now to cover a 1500 sq ft home.

    I would recommend this to a friend

  • Cable Modem works

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

    Works as expected, replaced an older cable modem that I was experiencing slow-downs with.

    I would recommend this to a friend

  • Excellent modem, very compact and easy setup.

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

    NETGEAR modem works very well. Using the modem with Comcast and have had no issue.

    I would recommend this to a friend

  • Good product

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

    Works fine, instructions could be better. No need to follow them, just call your provider.

    I would recommend this to a friend

  • Its good for xfinity internet

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

    Have not had any issues so far with it. I just need to update my router sadly.

    I would recommend this to a friend

  • Great for personal use

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

    Great modem for home use. Great way to save on monthly internet costs.

    I would recommend this to a friend

  • great router

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very good router and the internet works great with it.

    I would recommend this to a friend

  • Great company that builds great modems

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

    Great company that builds great modems. Best Buy is a great store to shop at as well.

    I would recommend this to a friend

  • The modum worked for a while

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

    The modum worked for a while. Seemed to have over heat issues.

    I would recommend this to a friend

  • Great modem

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

    I bought this to replace my modem from time warner/spectrum. Well worth the money.

    I would recommend this to a friend
Page 87, Showing 1,721-1,740 of 2,038 reviews
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