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ARRIS - SURFboard SB6183 16 x 4 DOCSIS 3.0 Cable Modem - White

Your price for this item is $69.00

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Compare similar modems

Current product
Internet Service Provider (ISP) Compatibility
Cox Communications, Spectrum, XFINITY from Comcast, Most cable providers
XFINITY from Comcast, Cox Communications, Spectrum, Most cable providers
Cox Communications, Spectrum, XFINITY from Comcast, Most cable providers
DOCSIS Certification
Upstream Data Speed
100 megabits per second
240 megabits per second
Data Not Available--


Rating 4.7 out of 5 stars with 6183 reviews

Rating by feature

  • Rating 4.6 out of 5 stars

  • Rating 4.6 out of 5 stars

  • Rating 4.6 out of 5 stars

1 expert review

Expert rating, 3.5 out of 5 stars with 1 review.

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96%would recommend to a friend

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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.

  • Rated 5 out of 5 stars

    Works great, high performance

    I'm using it with RCN 1-Gig Internet service and it works well. RCN is able to use use it and there's been no issues. Lights are easy to make out. A Quick Start guide comes with it, a larger Manual is available as a PDF from the Arris website. You can log into the unit to check status and errors by entering the cable modems IP into a web browser, I uploaded some screen shots of what you can see. There are two Ethernet ports on the back. You can use either or both at the same time. With a router plugged into one, I was able to plug a PC in to do some testing and both worked together. It works like a switch/hub to divide the signal. It does not turn a 1GB line into a 2GB line though, your service is whatever it is set to, Its solidly built. Plenty of Cable ISP's use these for their rental units. It runs a bit on the warmer side, so keep it ventilated. It is among the fastest cable modems available and needs a fast CPU to pump up to 10Gbps, so it can run hot. Not sure if I'll ever need 10Gbps, best I can get now is 10% of its rated capacity. I should be future proofed for a number of years to come. The only con is the price. But I save on a monthly modem rental fee, so it will eventually pay at some point and start saving me money.

    Posted by MrBill250

  • Rated 5 out of 5 stars

    White speed demon and great night light, lol

    Packaging was great. The install was super easy. Awesome plug and play, you just got to call your internet provider and give them the MAC address. Within 10 min I was up and running. I was using the Time Warner Cable(TWC) Internet speed of 100 down/10 up. It put me up to 118/11 in a few speed tests. The reason I got this modem was to save money in the long run. TWC was charging me about $10 a month to rent from them. Because I just saved myself $10 a month by buying this AWESOME modem I upgraded my internet speeds to the 200 down/20 up. After the speed upgrade I did a few speed tests and the results were amazing at 217.13/21.68. My speed test was using a connect cat7 Ethernet cable. Do yourself the favor and buy this. Look at the pic with my results.

    Posted by Bonomo1987

  • Rated 5 out of 5 stars

    Modem gives you extra/free speed with Comcast

    This modem gives you extra speed if you have Comcast, and you get the 150mb tier speed. I'm paying for 150 down and 5 up, but I'm getting an average of 180 down and 6 up. I've tested with multiple speed tests and servers. The slowest I've gotten with this modem is 178 download, and the fastest I've gotten is just over 184. Line quality is perfect and without packet loss. My ping on different servers locally is 4 to 7. Never any errors. The only negative I've found is it runs hot. You will need to place it where it has air all arpund not in a confined place. Also, when we had a big heat wave it got warm enough to lossen the cable in the back. I tightened it back up and it hasn't been a problem since. I highly recommend this modem if you have Comcast 150mb speed. And I also hear that it gives some extra speed on the 105 speed, but I can't varify that. Also got the price match from Amazon. Hope this review helps!

    Posted by Warriorpoet

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