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MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More

4.4 4.4 out of 5 stars 6,311 ratings

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Purchase options and add-ons

Brand Motorola
Internet service provider Time Warner Cable, Xfinity, Charter Spectrum, BrightHouse, Cox
Compatible Devices Personal Computer
Product Dimensions 4.9"L x 2"W x 6.1"H
Color Black

About this item

  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
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MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More

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MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
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ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
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Price$68.15-20% $119.95
New Price:$149.99
$99.99$39.95-10% $197.97
List:$219.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to install
4.5
3.5
4.4
4.2
4.2
WiFi signal
4.2
2.5
3.8
3.5
3.7
Tech Support
3.9
3.5
3.1
2.9
3.2
Value for money
4.3
4.1
3.8
Sold By
MTRLC LLC
Motorola Networking Renewed
Hitron Americas
Techa Distribution
Verdi!
connectivity tech
Ethernet
Ethernet
Ethernet
Ethernet
ethernet ports
1
2
1
2
number of ports
4
1
3
2
data transfer rate
686 megabits per second
3.8 gigabits per second
1 gigabits per second
2500 megabits per second
max downstream rate
686 megabits per second
1 gigabits per second
960 megabits per second
2500 megabits per second
max upstream rate
3.8 gigabits per second
960 megabits per second
2.5 gigabits per second
modem type
cable
cable
data modem
cable
cable

What's in the box

  • Cable Modem^Power Cube^Ethernet Cable^Velcro Cable Organizer^Coax Connection Tool^Quick Start Flyer
  • Product guides and documents

    Product information

    Technical Details

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    Additional Information

    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    Product Warranty: For warranty information about this product, please click here. [PDF ]

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    MOTOROLA

    MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More


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    Product Description

    No modem rental fees. Fast, reliable Internet.
    Family using Internet connected devices.

    The smart choice for your cable Internet service

    Eliminate monthly cable modem rental fees – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.

    300+ Mbps – Maximum actual Internet download speed.

    GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.

    MB7220 cable modem shown with a WiFi router

    Connect any WiFi router you choose

    Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.

    If the MB7420’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.

    Certified by Xfinity, Cox, and Spectrum

    Recommended for Comcast Internet speeds up to 300 Mbps.

    Easy setup with just 3 connections: power, coax cable, and Ethernet.

    Compatible with Most Cable Providers

    Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

    *Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

    † This cable modem does not have telephone jacks for the support of voice calls.

    Fast Internet Speed

    For other service providers, supported service speeds are similar to Comcast.

    Easy Setup

    Connects fast with just 3 connections – power, coax cable, and Ethernet.

    MB7220 product image MB7420 product image MB7621 product image MB8600 product image
    MB7220 MB7420 MB7621 MB8600
    Customer Reviews
    4.3 out of 5 stars
    4,311
    4.4 out of 5 stars
    6,311
    4.4 out of 5 stars
    28,836
    4.4 out of 5 stars
    28,836
    Product Type (This table only includes cable modems with NO built-in WiFi router) 8x4 Cable Modem 16x4 Cable Modem 24x8 Cable Modem DOCSIS 3.1 plus 32x8 3.0 Cable Modem
    DOCSIS Channel Bonding 8x4 DOCSIS 3.0 16x4 DOCSIS 3.0 24x8 DOCSIS 3.0 DOCSIS 3.1 plus 32x8 DOCSIS 3.0
    Certified for These Cable Internet Services. Typically Works with Many Others. Comcast Xfinity, Cox, Spectrum, Sparklight (CableOne), WOW! Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox
    Recommended by Comcast Xfinity for Internet Service This Speed Tier or Below 200 Mbps 300 Mbps 600 Mbps 1000 Mbps
    Maximum Internet Download Speed (Actual speeds are lower) 343 Mbps 686 Mbps 1000+ Mbps 6000 Mbps
    Built-in WiFi Router No No No No
    Gigabit Ethernet Ports 1 1 1 1
    Works With Any WiFi Router That Has an Ethernet WAN port
    Telephone Ports No No No No
    What Modem/Router Product is Most Similar to This Modem-Only Product? Yes, MG7315 (8x4 Cable Modem plus N450 WiFi Router) Yes, MG7540 (16x4 Cable Modem plus AC1600 WiFi Router) or MG7550 (16x4 Cable Modem plus AC1900 WiFi Router) Yes, MG7700 (24x8 Cable Modem plus AC1900 WiFi Router) or MT7711 (24x8 Cable Modem plus AC1900 WiFi Router plus 2 Phone Lines) None, but works with any router that has an Ethernet WAN port

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    6,311 global ratings

    Customers say

    Customers like the performance, ease of setup, quality and speed of the modem. For example, they mention that it works very well, it's easy to set up and that it gives rock-solid stable service. That said, they appreciate the value for money.

    AI-generated from the text of customer reviews

    790 customers mention687 positive103 negative

    Customers like the performance of the modem. They say it works well, has excellent performance, and works seamlessly with the mode. Some say that it works right out of the box and has never seen a performance drop. Overall, customers are satisfied with the performance and functionality of the product.

    "...Even though this is not formally faster, it works better. Pages load faster and streaming is smoother. It's a good upgrade...." Read more

    "...Worked immediately. No problems...." Read more

    "...Overall, highly recommended. Performs flawlessly, works beautifully with my TP-Link C7 router, gives me rock-solid stable service faster than I am..." Read more

    "...Ist - of all. It works, it's small simple and light...." Read more

    517 customers mention408 positive109 negative

    Customers like the quality of the modem. For example, they say it's a superior product, it works well, and is well built. Some say that it gives them rock-solid stable service and is more reliable than ever.

    "...flawlessly, works beautifully with my TP-Link C7 router, gives me rock-solid stable service faster than I am paying for." Read more

    "Good product, easy to install." Read more

    "The Motorola MB7420 is compatible with most cable internet service providers and is a great choice if your max internet download speeds are 300 Mbps..." Read more

    "REMOVABLE BASE, OUTSTANDING LITTLE DEVICE..." Read more

    516 customers mention504 positive12 negative

    Customers find the modem exceptionally easy to set up, quick, and simple. They also say the instruction manual is clear and easily understood by people without a lot of experience. Customers also mention that the mode has a 100 MBPS download speed and handles it with ease.

    "...’s a smaller package than my old modem, with a better design, and set up was easy – connected right up to my Linksys router...." Read more

    "...The setup process went fine and the modem works correctly. I'm getting the speeds that I pay for, same as what I had previously...." Read more

    "...Setting up was easy and after calling Spectrum things were running smoothly for a week...." Read more

    "...I give this modem a 5 for ease of use in getting it hooked up and working...." Read more

    280 customers mention241 positive39 negative

    Customers like the speed of the modem. They say that it is easy to set up, and the speed was right on. They also say that their download speed increased greatly, pages load faster, and streaming is smoother. They appreciate that the mode is consistent all day long, with no evening slowdowns. Customers also mention that the product is capable of 600+ mbps download speeds, and runs smoothly.

    "...Even though this is not formally faster, it works better. Pages load faster and streaming is smoother. It's a good upgrade...." Read more

    "...However, unless I'm just imaging things, webpages seem to load faster than they did before...." Read more

    "...On the plus side, it offers twice as many channels and twice the maximum speed...." Read more

    "...of that 'warm' smell again, but nothing has happened as the modem still runs smoothly and nothing drops out...." Read more

    252 customers mention199 positive53 negative

    Customers like the value of the modem. For example, they mention it's an excellent investment in internet hardware, it'll pay for itself in 9 months, and it'd be a simple inexpensive way to upgrade your home internet. That said, some say it''s a major improvement in all respects.

    "Pros: Fast, Works without a hitch, Pays for itself in 9 monthsCons: The diagnostics page could be formatted better..." Read more

    "...I liked the price and maximum speed, since I’m not a gamer, I was happy with the 500+ Mbps max...." Read more

    "...internet connections, but it is more than enough for me and the price was good...." Read more

    "...This modem is a piece of junk! It gets terribly hot to the touch and it will not last very long...." Read more

    131 customers mention46 positive85 negative

    Customers are mixed about the connectivity of the modem. Some mention that they have no issues with connections, the connection is stable, and it helps increase connections better around the house. However, others say that they experience poor connectivity and slow data transfer, with the modemat frequently dropping connection.

    "...Don’t know what that was about. It was concerning, as connection problems were the issue with our old modem, a ripoff from Linksys since they no..." Read more

    "...This modem had good enough specs for my 50mb service...." Read more

    "...UPDATE: (01/07/2018): Still getting connection errors when I try to watch a stream on Twitch. It's only happening when I watch Twitch though...." Read more

    "...to use xfinity app to reactive this modem , otherwise, it is not connected to Internet...." Read more

    84 customers mention34 positive50 negative

    Customers are mixed about the heat of the modem. Some mention it runs cool enough that it has no fan, it generates very little heat, and has no troubles with heat management. However, other customers say that it does run a little warm, and that the cooling will be curtailed if it's resting on its side.

    "...now, however it has been the second Motorola router to fail from heat issues. I would definitely rethink buying this or any other Motorola modem...." Read more

    "...It's passively cooled...." Read more

    "...All was well on Monday. The modem did seem a bit warmer than the others but it still worked.On Tuesday I did a work from home day...." Read more

    "...I find it somewhat warm, but not alarmingly hot at all. During the first half-hour after activation it rebooted several times...." Read more

    107 customers mention25 positive82 negative

    Customers are dissatisfied with the wifi connection of the modem. They mention that it does not provide WiFi, and they need a separate wireless router. They also say that the internet was gone again and that it required a router.

    "...Saturday AM...same problem. All lights as they should be, but no internet. Called CC again...." Read more

    "...It does not have voice telephony built in as a feature and you will have link/connection problems if your ISP has you bundled with voice and..." Read more

    "...It has one and only one port. And it is not configurable at all - it's meant to only be updated and controlled by your cable provider...." Read more

    "...UPDATE: 1 year later and still going strong. No further internet issues encountered" Read more

    Easy setup, low-cost, easy to reboot, great except... Motorola is leaving this product market!
    3 Stars
    Easy setup, low-cost, easy to reboot, great except... Motorola is leaving this product market!
    Be aware that Xfinity will not give you real support for it, since it’s not theirs. Worse, Motorola is getting out of the consumer modem business -- they left it, actually. So, caveat emptor (buyer beware)! Look elsewhere! I am very, very annoyed by that. I am going to be buying another modem soon -- I've had products that were abandoned by their produced, and what little support I got has always sucked: Kensington, Lexmark, and others. Shame on me for not looking into it before I bought this item.But here is my review, for those who are willing to buy what will be a porly supported product. This was written upon setting it up and spending some time using it, before I learned of Motorola's abandoning the consumer market for modems:I liked the price and maximum speed, since I’m not a gamer, I was happy with the 500+ Mbps max. It’s a smaller package than my old modem, with a better design, and set up was easy – connected right up to my Linksys router. We’ve been using it for more than 6 months now, with our cable internet provider (Xfinity) it works just fine. Our old one became a problem, and that was constant need to reboot it and the router (sometimes the connection failed more than once a day, even didn’t work for a period of time, and there were no outages.).We did have a week where almost every day the Motorola modem required a modem/router reboot, and a few day it was needed several times. Don’t know what that was about. It was concerning, as connection problems were the issue with our old modem, a ripoff from Linksys since they no longer even make consumer modems. (No updates available, if I recall.)
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