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An internet modem, short for modulator and demodulator, is one of the most important components of your internet connection. It acts as a bridge between your home internet setup and the internet service provider by translating your ISP’s data into a format that your home network devices can interpret and use. For this reason, your network simply cannot function without a modem.

Similarly, using the wrong type of modem can also affect the speed of your internet connection drastically. For example, if your modem is not compatible with the speed of your internet plan, then the overall speed of your network will be reduced to the maximum speed your modem can support.

Well, this is the major reason why Cox requires you to use an internet modem that is not only compatible with your Cox internet plan but also caters to your speed requirements, budget, and other specifications. However, as a wide range of internet modems fall in the category of Cox compatible modems, it's necessary to understand the difference between each model. This will help you make an informed decision about which type of modem is right for your home or workplace.

So, let’s get down to the nitty-gritty of Cox-certified best cable modems for 2023!

Cox Certified Modems and Gateways

Here’s a detailed overview of Cox approved modems and gateways for 2023. Just in case, you need information about the upgrade or availability of Cox Internet plans in your area, get in touch with Cox customer service at 855-349-9316.

Modem Model Features Panoramic Wi-Fi Highest Compatible Internet Plan

Technicolor CGM4981

DOCSIS 3.1
Panoramic Wifi6E Gateway

&

Fiber
Panoramic Wifi6E Gateway

Go Beyond Fast

Download speed: 2 Gbps

Upload speed: 100 Mbps

ARRIS / Surfboard TM3402

DOCSIS 3.1
Non-WiFi Internet and Telephone Modem

×

Go Super Fast

Download speed: 1 Gbps

Upload speed: 100 Mbps

ARRIS / Surfboard TG1682

DOCSIS 3.0
with 24x8 channel bonding

Go Even Faster

Download speed: 500 Mbps

Upload speed: 10 Mbps

ARRIS / Surfboard TG2472

DOCSIS 3.0
with 24x8 channel bonding

×

Go Even Faster

Download speed: 500 Mbps

Upload speed: 10 Mbps

Technicolor CGM4141

DOCSIS 3.1

Go Super Fast

Download speed: 1 Gbps

Upload speed: 100 Mbps

CommScope TG4482

DOCSIS 3.1
Panoramic Wifi6 Gateway

&

Fiber
Panoramic Wifi6 Gateway

Go Beyond Fast

Download speed: 2 Gbps

Upload speed: 100 Mbps

Technicolor CGM4331

DOCSIS 3.1

Fiber

Go Beyond Fast

Download speed: 2 Gbps

Upload speed: 100 Mbps

Cox Internet Plans - DOCSIS Requirements

Cox highly recommends its customers use DOCSIS 3.1 gateway or modem to enjoy a robust online experience. The table below provides information on the DOCSIS compatibility for Cox Internet plans:

Cox Internet Plans Speed DOCSIS Compatibility

Go Fast

Up to 100 Mbps

DOCSIS 3.1

DOCSIS 3.0 with 8x4, 16x4, 24x8, or 32x8 channel bonding

Go Faster

Up to 250 Mbps

DOCSIS 3.1

DOCSIS 3.0 16x4 or higher

Go Even Faster

Up to 500 Mbps

DOCSIS 3.1

DOCSIS 3.0 with 24x8 or 32x8 channel bonding

Go Super Fast

Up to 1 Gig

DOCSIS 3.1

Go Beyond Fast

Up to 2 Gig

DOCSIS 3.1

Cox Modems – Points to Remember

Before we move on to our list of top DOCSIS 3.1 and DOCSIS 3.0 Cox certified modems for different Cox internet speed tiers, here are some key points you need to remember about Cox compatible modems:

  • If you have purchased a combination internet or telephone modem from a third-party retailer, your equipment won’t be certified for use with Cox plans.
  • Just in case you have purchased your modem in used condition from a third-party retailer, then there’s a high chance that it won’t fall under the list of Cox compatible modems. However, it is not always the case. Call 855-349-9316 for more information.
  • Cox recommends using a DOCSIS 3.1 Cox cable modem with integrated WiFi capabilities, which is called a gateway in simpler words. It is capable of broadcasting dual-band 802.11-AC WiFi or higher for all internet plans by the provider.

Now, let’s find out which Cox internet modem works best with your Cox internet plan!

Top Cox Certified Modems: 2 Gig DOCSIS 3.1

Here are the best 2 Gig DOCSIS 3.1 modems for Cox that are compatible with Cox Go Beyond Fast (2 Gig) Internet plan. However, all these modems can work with lower speed tiers as well.

Modem Model Integrated WiFi Channel Bonding

ARRIS / Surfboard G36

32x8

ARRIS / Surfboard G54

32x8

ARRIS / Surfboard S33

×

32x8

Hitron CODA56

×

32x8

Humax HGD310

×

32x8

Netgear CM2000

×

32x8

Motorola B12

×

32x8

Motorola MB8611

×

32x8

Motorola MG8725

32x8

ARRIS TM9202

×

32x8

Technicolor CVA4004

×

32x8

Top Cox Certified Modems: 1 Gig DOCSIS 3.1

Below, we have listed Cox’s top five 1 Gig modems—also known as Cox Gigablast modems. All these modems are compatible with Cox Go Super Fast (1 Gig) plan, however, these models can work with lower speed tiers as well.

Modem Model Integrated WiFi Channel Bonding

ARRIS / Surfboard CM8200

×

32x8

ARRIS / Surfboard G34

32x8

Motorola MG8702

32x8

Netgear CAX80

32x8

Hitron CODA

×

32x8

What are DOCSIS 3.1 Modems Capable of?

Since its launch in 2013, DOCSIS 3.1 technology has been used by all large internet service providers, including Cox. The major reason behind its extraordinary popularity is that it offers ten times faster speed than its older version, DOCSIS 3.0. With DOCSIS 3.1, you can enjoy download speeds up to 10 Gbps—simply incredible!

So, if your internet service provider is offering up to 10 Gbps speed, you would be able to enjoy lightning-fast downloads with DOCSIS 3.1 modems. Besides this, DOCSIS 3.1 also provides you with much lower latency, power-saving capabilities, and improved online security.

Top Cox Certified Modems: 500 Mbps DOCSIS 3.0

Here’s a list of Cox’s best 500 Mbps modems for 2023. All these modems are compatible with Go Even Faster (500 Mbps) plan, however, these models can work with lower speed tiers as well.

Modem Model Channel Bonding Integrated WiFi

ARRIS / Surfboard SB6190

32x8

×

ARRIS / Surfboard SBG7400AC2

24x8

Asus CM32

32x8

Linksys CG7500

24x8

Linksys CM3024

24x8

×

Motorola MB7621

24x8

×

Motorola MG7700

24x8

Netgear C6900

24x8

Netgear C7000v2

24x8

Netgear C7500

24x8

Top Cox Certified Modems: 250 Mbps DOCSIS 3.0

Check out the table below for compatible Go Faster (250 Mbps) modems for 2023. These Cox approved modems can work with lower speed tiers as well.

Modem Model Channel Bonding Integrated WiFi

ARRIS / Surfboard SB6183

Note: This model is eligible for an upgrade.

16x4

×

ARRIS / Surfboard SBG10

16x4

Asus CM16

16x4

×

Linksys CM3016

16x4

×

Motorola MB7420

16x4

×

Netgear C6230

16x4

SMC D3CM1604

16x4

×

TP-LINK TC-7620

16x4

×

TP-LINK CR500

16x4

Zoom 5370

16x4

×

Top Cox Certified Modems: 100 Mbps DOCSIS 3.0

Although there’s a wide range of Cox Certified Speed Limited DOCSIS 3.0 Modems, here we have come up with a few options only for your reference. All these modems are compatible with Cox Go Fast (100 Mbps) internet plan and lower speed tiers.

Modem Model Channel Bonding Integrated WiFi

ARRIS / Surfboard SBG6782

8x4

Cisco DPC3008

8x4

×

Linksys CM3008

8x4

×

Motorola MB7220

8x4

×

Netgear C3700v2

8x4

Netgear C6220

8x4

Netgear C6300BD
Note: This model is eligible for an upgrade.

8x4

TP-LINK TC-W7960

8x4

Ubee DDW365
Note: This model is eligible for an upgrade.

8x4

Zoom 5350

8x4

The Bottom Line

Luckily with Cox, you will have a plethora of high-end options for internet modems, so you can enjoy a lag-free and seamless online experience around the clock. However, when comparing different Cox-certified internet modems, the best option will typically depend on the Cox internet connection type and plan you have. So, take plenty of time to scroll through our guide and select the best option for your home, considering your needs and budget.

If you need any assistance or advice regarding Cox approved modems or Cox internet plans, reach out to Cox customer service at 855-349-9316. Trained professionals will provide you all the support you need!

Frequently Asked Questions (FAQs)

What brands of modems does Cox use?

Cox uses some of the top brands of modems, including Netgear, Hitron, Motorola, and ARRIS. For more information, speak to a Cox customer service representative at 855-349-9316.

Will any modem work with Cox?

No, you need to use a Cox-certified modem only with your Cox Internet plan. For more details on which modem(s) is compatible with your internet plan, speak to a Cox customer service representative at 855-349-9316.

Does Cox include a cable modem?

Yes, Cox lets its internet subscribers rent the Panoramic Wi-Fi Gateway modem for $13 per month. However you can skip this fee by using your own Cox certified modem.

Do you need DOCSIS 3.1 for Cox?

Cox highly recommends its customers use a DOCSIS 3.1 Cox cable modem to enjoy optimal internet connectivity around the clock. However, Cox offers a wide range of internet plans that can work without DOCSIS 3.1 technology as well, especially if you have subscribed to a 500 Mbps or lower speed internet plan.