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Read All ARRIS SURFboard SB6121 Cable Modem Reviews

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  • MR
    Verified Purchase

    worked good <<<<<<<<<<<<<<<<<<<

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  • Quit paying the cable companies

    This modem works very well and has enough ports to connect every component I have. Paid for itself in 7 months by eliminating cable charge for the company provided modem.

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  • Mrs. Ragin

    Easy to install, and use.

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  • Not for me
    Verified Purchase

    I am only giving this one star because it was the wrong modem for my use. I had to return it because it didn't have an outlet for my phone.

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  • Fast
    Verified Purchase

    Love this modem, fast and reliable.

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  • easy installation
    Verified Purchase

    Plugged it in called time warner and I am ready to go

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  • Great
    Verified Purchase

    Works great. Bought this when TWC decided they were going to charge for a lease. SOOOO glad I just bought one. Saving tons of money this way.

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  • Set up took less than a minute, no more leasing
    Verified Purchase

    Took less than a minute to get it up and running. Has not had any other issues the Comcast equipment is notorious for.

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  • great modem!
    Verified Purchase

    Needed to replace my aging Motorola surfboard modem, and wanted to replace it with a product I know to be reliable. This modem was so easy to install, and a very good value. I'm very happy with this modem and would recommend it to anyone.

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  • I thought what I had was fast...this is SUPER fast
    Verified Purchase

    My modem I was renting from the cable company at $60/year at 10 years I thought was OK at 36 Mbps as far as speed, but today with more WiFi devices in your home this 160 Mbps is super FAST. The router lets you know when it is operating in Ethernet or Fast Ethernet mode OR in high-speed Gigabit Ethernet mode. I have seen a HUGE difference in speed alone uploading my data into the cloud.

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  • Motorola SURFboard SB6121 Cable Modem
    Verified Purchase

    Bad unit. Asking to return it. Return takes too long. I need to have a replacement sooner than 10+ days.

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  • Stopped paying for rental modem
    Verified Purchase

    At a lower price than retail, this has turned out to be a great buy. I think the data transfer is quicker than the rental unit. A wireless router needs to be purchased separately. This is an approved device for Time Warner Cable.

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  • Comcast compatible
    Verified Purchase

    What can I say? Easy to install, took just a few minutes on the phone with Comcast to get it activated and saves me rental fees. I'm happy.

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  • i did not need this modem
    Verified Purchase

    I bought this modem thinking I was going to need it.

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  • Motorola SURFboard SB6121 Cable Modem
    Verified Purchase

    So far so good. We have been using it for a week and nothing wrong so far !! I do feel like it works faster than the one we had from the company !!! Thanks Overstock !!

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  • Does what it is suppose to do....
    Verified Purchase

    I'm using the Motorola SURFboard SB6121 Cable Modem instead of renting a cable modem from Comcast (yes, this is an Comcast approved modem). My speeds from Comcast are the same if not a little better with this modem.

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  • Great modem, super fast
    Verified Purchase

    I just love this super fast modem. Its been a few months now since i got it and its totally dependable and super fast. Its been working day and night with no problems since I recieved it...super fast with high response. I highly recommend this modem to anyone looking for new technology. Works great.

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  • Cable Modem
    Verified Purchase

    Modem works as advertised at great price. Very please with this purchase.

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  • Faster Cable Modem
    Verified Purchase

    Glad I purchased this cable modem - lowest price I could find and was shipped immediately! Works way FASTER than my previous modem - first time I buy this Motorola. I did check various reviews from other sellers - and they all agreed this is a great product. And no problems at all w/installation.

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  • very good modem
    Verified Purchase

    I had trouble finding this modem locally and when I did it was much more expensive. Overstock.com has almost everything I want at better prices. They are very cooperative and answer questions when I need them to. I have had no problems returning something and O.com takes care of defects or damage very fast. I joined Club O and it has really paid for itself and over, I will continue to shop on O.com for all my needs.

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