Cox Compatible Internet Modems

Modem list updated April 2015. Prices updated every hour.
Below are all the modems on the Cox Compatible Modem List and that can be bought at Amazon, 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 a web browser on an 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

Cox Preferred, Cox Premier or Cox Ultimate Internet Service users (typically more than $50 a month), or others who want to upgrade to Cox's faster service in the future, pick any of these DOCSIS 3.0 modems (Premier Plus and Ultimate subscribers should pick a modem with 8-channel bonding downstream to maximize speed) :

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.

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ARRIS / Motorola SB6141 SURFBoard DOCSIS 3.0 Cable Modem

The ARRIS / Motorola SB6141 is the updated version of their popular SB6121. It has 8-channel downstream bonding and 4-channel upstream, twice the maximum download speed of the SB6121 (though the SB6121 is fast enough for almost all current internet plans.) Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.6/5 (6,776 ratings counted at all sellers)

35% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

ARRIS / Motorola SB6121 SURFBoard DOCSIS 3.0 Cable Modem

ARRIS / Motorola is a big name in cable modems and you can't go wrong with any of their Surfboard modems. The ARRIS / 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.

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  • 4.5/5 (6,691 ratings counted at all sellers)

31% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

ARRIS / Motorola SBG6580 SURFboard DOCSIS 3.0 Gateway Wireless Cable Modem

The ARRIS / Motorola SBG6580 has a built-in dual band wireless-N router. It also has 4 Gigabit Ethernet Ports. 8-channel bonding downstream, 4-channel upstream. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 3.8/5 (4,221 ratings counted at all sellers)

9% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

ARRIS / Motorola SB6183 SURFBoard DOCSIS 3.0 Cable Modem

The ARRIS / Motorola SB6183 is the latest version in their Surfboard series. With 16-channel downstream bonding and 4-channel upstream, it can handle the fastest internet plans. Unless you subscribe to one of those plans or really want to future-proof well into the future, you probably don't need this modem. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.6/5 (342 ratings counted at all sellers)

5% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

SEE IT NOW AT:NEWUSED
Amazon $129.99$97.50
Best Buy $129.99

ARRIS / Motorola SBG6782 SURFboard eXtreme 802.11ac DOCSIS 3.0 Cable Modem and 4-Port Gigabit Ethernet Router

The ARRIS / Motorola SBG6782 is the latest modem from ARRIS/Motorola. It has a built-in wireless-AC router, for the fastest WIFI speeds. It also has 4 Gigabit Ethernet Ports. We normally don't recommend modem/router combos, but this is an exception. 8-channel downstream, and 4-channel up and is a few inches bigger than other modems. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.2/5 (832 ratings counted at all sellers)

4% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Netgear N300 WiFi DOCSIS 3.0 Cable Modem Router (C3000)

The Netgear N300 has a built-in wireless-N router. It has 2 Gigabit Ethernet ports plus a USB 2.0 port for attaching a network drive. 8-channel bonding downstream, with 4-channel upstream. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.1/5 (269 ratings counted at all sellers)

2% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Netgear N450 WiFi DOCSIS 3.0 Cable Modem Router (CG3000Dv2)

The Netgear N450 has built-in wireless-N router, rated at 450 Mbps, faster than the Netgear N300 which is rated at 300 Mbps. It has 4 Gigabit Ethernet ports and a USB 2.0 port. Plenty of speed with 8-channel bonding downstream and 4-channel upstream. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.1/5 (392 ratings counted at all sellers)

2% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Netgear N600 WiFi DOCSIS 3.0 Cable Modem Router (C3700)

The Netgear N600 has built-in dual band wireless-N router. If you have devices with dual band too, you can get exceptional WiFi speed. It also has 2 Gigabit Ethernet ports, a USB 2.0 port and 8-channel bonding downstream, 4 upstream. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.1/5 (592 ratings counted at all sellers)

4% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Zoom 5341J DOCSIS 3.0 Cable Modem

The Zoom 5341J is the updated version of the 5341. It has 8-channel bonding for downloading, doubling the maximum download speed of the 5341. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.5/5 (976 ratings counted at all sellers)

2% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Zoom 5352 DOCSIS 3.0 Gateway Wireless Cable Modem

The Zoom 5352 is a cable modem with a built-in wireless-N router. It has 4 Gigabit Ethernet ports, and with 8 channel bonding, should handle any speeds your cable company might provide well into the future. Supports IPv6 and IPv4 addressing. Works with Windows, Mac, or Linux computers.

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  • 4.1/5 (547 ratings counted at all sellers)

2% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

Motorola SB6120 SURFBoard eXtreme DOCSIS 3.0 Cable Modem

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.

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  • 4.4/5 (2,219 ratings counted at all sellers)

5% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

SEE IT NOW AT:NEWUSED
Amazon $74.95 $32.85

Netgear CMD31T DOCSIS 3.0 Cable Modem

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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  • 4.0/5 (733 ratings counted at all sellers)

1% of March's visitors who bought a DOCSIS 3.0 modem, bought this one.

SEE IT NOW AT:NEWUSED
Amazon $71.99 $45.99

DOCSIS 2.0 Cable Modems

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

Cox Essential or Cox Starter Internet Service users (typically less than $50 a month), buy any of these DOCSIS 2.0 modems. If you think you'll be upgrading to Cox's faster services in the future, buy a DOCSIS 3.0 modem above. 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

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)
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Amazon $63.85 $5.99

Motorola Surfboard SBG901 DOCSIS 2.0 Wireless Cable Modem

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.

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  • (301 ratings counted at all sellers)
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Amazon $93.99 $18.99

Zoom 5241 DOCSIS 2.0 Cable Modem

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)
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Amazon $7.98

Motorola SB5120 Surfboard DOCSIS 2.0 Cable Modem

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)
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Amazon $5.99

Motorola SBG900 DOCSIS 2.0 Wireless Cable Modem

The Motorola SBG900 has a wirless-G router built in. It also has Ethernet and USB connectors. We would recommend spending a few more bucks and get the SBG901 instead.

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  • (256 ratings counted at all sellers)
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Amazon $20.00

Cisco-Linksys CM100 DOCSIS 2.0 Cable Modem

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)
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Amazon $99.00 $4.00

Motorola Surfboard SB5100 DOCSIS 2.0 Cable Modem

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 $3.00

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Internet Service Providers

Choose yours to find a supported modem:

Comcast

Cox

Charter

Cable ONE

Suddenlink

Time Warner/Road Runner/Bright House


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


Other Helpful Links

Low Cost Cable Phone Service Alternative

Wireless Router Buying Guide

Cable Modem Buying Tips and FAQ's