Approved Modems Lists

Click below to see a list of compatible and approved modems. These take you directly to their websites.

Comcast

Cox

Charter

Cable ONE

Suddenlink

Time Warner/
Road Runner/
Bright House/
Insight


Suddenlink Approved DOCSIS 3.0 and DOCSIS 2.0 Cable Modems

Modem list updated August 2014. Prices updated every hour.
Below are all the modems on the Suddenlink Approved Cable Modem List and that can be bought at Amazon, Newegg, Walmart or Best Buy. We've gone through all of them to find the ones that can be purchased at major retailers.

Easy to install. Just hookup modem, open web browser on attached computer and follow the on-screen instructions.


DOCSIS 3.0 Cable Modems

(Scroll down or click here for DOCSIS 2.0 modems)
Cable Modem Buying Tips and FAQ's
Cheap alternative to Suddenlink phone service
Need a faster router to go with your new faster modem? Check out our: Wireless Router Buying Guide

Suddenlink Max 20 or higher Internet Service users (e.g. Max 50, Max 107) (typically more than $60 a month), or others who want to upgrade to Suddenlink's faster service in the future, buy any of these DOCSIS 3.0 modems:

All of these modems are high quality and have pretty much the same features, except of course those with routers built in. So don't worry too much about deciding which one to buy. Price should be the most important factor.

Motorola SB6121 SURFBoard DOCSIS 3.0 Cable Modem

Click to enlarge: Front View / Back View
Motorola SB6121
Motorola SB6121 Specs

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Motorola is a big name in cable modems and you can't go wrong with any of their Surfboard modems. The Motorola SB6121 has the exact same specs as the SB6120 and is basically the updated, newer version of it, with a slightly smaller case. The new version of this modem is the SB6141, which has twice the maximum download speed of the SB6121. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

  • Our rating:
  • Avg. rating at all sellers:

  • (2,617 ratings counted at all sellers)
See it now at:NewUsed
Amazon $62.78 $48.69
Newegg $99.99
Walmart $69.97
Best Buy $69.99

Motorola SB6120 SURFBoard eXtreme DOCSIS 3.0 Cable Modem

Click to enlarge: Front View / Back View
Motorola SB6120
Motorola SB6120 Specs

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The SB6120 includes an Gigabit ethernet port and is the older version of the SB6121, same specs but a slightly larger case. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

  • Our rating:
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  • (1,691 ratings counted at all sellers)
See it now at:NewUsed
Amazon $119.95 $44.92

Zoom 5341 DOCSIS 3.0 Cable Modem

Click to enlarge: Front View / Back View
Zoom 5341
Zoom 5341 Specs

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Zoom is another manufacturer of quality modems. The Zoom 5341 has an Gigabit Ethernet port and like all other modems, works with all operating systems. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • (83 ratings counted at all sellers)
See it now at:NewUsed
Amazon $118.13 $43.50

Netgear CMD31T DOCSIS 3.0 Cable Modem

Click to enlarge: Front View / Back View
Netgear CMD31T
Netgear CMD31T Specs

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The Netgear CMD31T, made by the company known for their network devices, has 4-channel bonding for both upstream and downstream. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • (41 ratings counted at all sellers)
See it now at:NewUsed
Amazon $67.86 $59.00

DOCSIS 2.0 Cable Modems

(Scroll up or click here for DOCSIS 3.0 modems)
Cable Modem Buying Tips and FAQ's

If you have lower than Suddenlink Max 20 Internet Service, (typically less than $60 a month), buy any of these DOCSIS 2.0 modems. If you think you'll be upgrading to Suddenlink's faster internet service in the future, buy a DOCSIS 3.0 modem at the top. We highly recommend buying a DOCSIS 3.0 modem in order to future-proof yourself as DOCSIS 2.0 modems are slowly phased out.

All of these modems are high quality and have pretty much the same features, except of course those with routers built in. So don't worry too much about deciding which one to buy. Price should be the most important factor.

Motorola Surfboard SB5101 DOCSIS 2.0 Cable Modem

Motorola SB5101
Motorola SB5101 Specs

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The Motorola SB5101 is the standard for DOCSIS 2.0 modems. It works on every cable system, and has an Ethernet port connector.

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  • (686 ratings counted at all sellers)
See it now at:NewUsed
Amazon $39.95 $3.47

Motorola Surfboard SBG901 DOCSIS 2.0 Wireless Cable Modem

Motorola SBG901
Motorola SBG901 Specs

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The Motorola SBG901 has a built-in wireless-G router and has an Ethernet port. We're not a big fan of these modem/router combos, but if you don't need the features of the latest routers, this will work just fine.

  • Our rating:
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  • (301 ratings counted at all sellers)
See it now at:NewUsed
Amazon $89.00 $23.25

Zoom 5241 DOCSIS 2.0 Cable Modem

Zoom 5241
Zoom 5241 Specs

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Zoom, along with Motorola, makes quality modems. The Zoom 5241 has a Ethernet port as well as a USB port.

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  • (28 ratings counted at all sellers)
See it now at:NewUsed
Amazon $11.70

Motorola SB5120 Surfboard DOCSIS 2.0 Cable Modem

Motorola SB5120
Motorola SB5120 Specs

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The Motorola SB5120 is another solid modem that should not give you any problems. It has Ethernet and USB connectors.

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  • (328 ratings counted at all sellers)
See it now at:NewUsed
Amazon $2.49

Cisco-Linksys CM100 DOCSIS 2.0 Cable Modem

Cisco-Linksys CM100
Cisco-Linksys CM100 Specs

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The Cisco-Linksys CM100 is a solid and reliable modem. It has Ethernet and USB ports. Pick up a used one and it'll pay for itself in a few months.

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  • (161 ratings counted at all sellers)
See it now at:NewUsed
Amazon $79.99 $11.99

D-Link DCM-202 DOCSIS 2.0 Cable Modem

D-Link DCM-202
D-Link DCM-202 Specs

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This D-Link modem has Ethernet and USB ports. The DCM-202 has a space-age fin look to it. Not our cup of tea, but a used one could be well worth the investment.

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  • (122 ratings counted at all sellers)
See it now at:NewUsed
Amazon $47.99 $10.00

Motorola Surfboard SB5100 DOCSIS 2.0 Cable Modem

Motorola SB5100
Motorola SB5100 Specs

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The Motorola SB5100 is a solid, reliable cable modem. It has a Ethernet as well as a USB port. Buy a used one and save.

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  • (256 ratings counted at all sellers)
See it now at:NewUsed
Amazon $2.90

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