Last-Minute SavingsLimited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. ARRIS - SURFboard DOCSIS 3.0 High-Speed Cable Modem - Black.
  • Angle. ARRIS - SURFboard DOCSIS 3.0 High-Speed Cable Modem - Black.

ARRIS - SURFboard DOCSIS 3.0 High-Speed Cable Modem - Black

Model:
SB6121
SKU:
2836657
Your price for this item is $44.99
Clearance
The comparable value price is $69.99

Customer reviews

Rating 4.6 out of 5 stars with 2915 reviews

Rating Filter

Rating by feature

  • Performance

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers admire the SURFboard DOCSIS 3.0 High-Speed Cable Modem for its ease of use, performance, and affordability. Many appreciate the straightforward setup and compatibility with their internet providers, along with its compact size. While some experienced issues with the modem's WiFi capabilities and occasional overheating, the positive feedback on performance and ease of use outweighs these concerns for most users.

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 47 Showing 921-940 of 2,914 reviews
  • Pros mentioned:
    Performance

    Great modem

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

    Have had this modem for a couple months now with no issues. Great price

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

    Awesome

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

    Works just as intended. Much better than renting from Internet companies.

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

    Motorola - SURFboard Docsis 3.0 High-Speed Cable M

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

    Motorola - SURFboard Docsis 3.0 High-Speed Cable Modem - Black is good

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

    Great Phone in lower price

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

    This is good phone in lowest price. you can carry easily and this phone can be unlock very easily.

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

    Motorola - SURFboard DOCSIS 3.0 High-Speed Modem

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

    decent speed for the price works fairly well with an average router

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

    Works as expected

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

    Easy to install & never had any problems with it. Highly recommended.

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

    Easy installation

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

    Works great. Seamless transition from our "leased" modem to owning one.

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

    Good comcast modem

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

    Just plugged it in, called Comcast with the mac address, and it worked.

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

    It did what I needed it to do

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

    Good Product at a Good Price - be sure to allows talk to the Best Buy staff

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

    easy to install

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

    great product right out of the box . at a great price. count be happier.

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

    Great Modem (NOT WIRELESS)

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

    We accidentally bought the modem, thinking it was wireless. It was easy to set up and install and use, but we had to take it back because most of the devices in the house need wireless. But it did work fast and effectively on my husbands laptop!

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

    Very good value for price

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

    This modem can handle everything my son needs for apartment. Both his Internet as well as streaming

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

    Easy to install!

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

    This product gives fast speed internet and transports pictures easily.

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

    Works as advertised, no complaints. Works as adver

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

    Works as advertised, no complaints. Works as advertised, no complaints.

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

    Makes Excellent Grilled Cheeses

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

    This review has a minimum of 60 characters. It's a pretty good modem.

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

    Modem

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

    My purchase experience was positive. The modem itself is exceptional.

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

    Works great

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

    Simple to set up, surfing in no time. No connection drops at all yet.

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

    easy to set up

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

    the device with easy to setup and it worked I could surf the internet fast

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

    Great price and value for me

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

    Words great for my house and my wife and son live the speed it gets

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

    Product does well

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

    I have had much more success with internet speed and continuity with this product. Works well!!!!!

    I would recommend this to a friend
Page 47, Showing 921-940 of 2,914 reviews
Sponsored

People also viewed

  • ARRIS - SURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps Ethernet Port - White
    Your price for this item is $199.00
  • ARRIS - SURFboard SB6190 32 x 8 DOCSIS 3.0 Cable Modem - White
    Your price for this item is $49.00
    The comparable value for this item is $79.00
  • ARRIS - SURFboard SB8200 32 x 8 DOCSIS 3.1 Gig-Speed Cable Modem - White
    Your price for this item is $169.00
  • ARRIS - SURFboard DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black
    Your price for this item is $189.99
    The comparable value for this item is $199.99
  • ARRIS - SURFboard G20 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black
    Your price for this item is $249.00