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Cox Certified Cable Modems

Details

Before You Begin

The table below provides an overview of upcoming changes to equipment requirements for Cox High Speed Internet based on your current device or status. To learn more about Cox Internet packages and speeds, visit www.cox.com/aboutus/policies/speeds-and-data-plans.html.

Only modems and devices purchased or rented directly from Cox are supported by Cox Customer Support. If you obtain your devices from a non-Cox vendor, Cox is not able to support service and technological assistance to these devices.

If you are a... Then...
Customer who has a DOCSIS 2.0 device
  • If you subscribe to Preferred 150 or Ultimate Classic and have a DOCSIS 2.0 device, then your Cox Internet service will continue to work uninterrupted provided you do not make changes to any of your Cox services, including TV and Phone.
  • We strongly recommend that you upgrade to a DOCSIS 3.0 or DOCSIS 3.1 device promptly for optimal internet performance and to be able to make changes to your account.
  • To upgrade your Cox device, visit www.cox.com/upgrademymodem.
Customer who has a DOCSIS 3.0 device If you subscribe to Ultimate or Gigablast, then you need to upgrade to a DOCSIS 3.1 device to receive full download speeds. To upgrade your Cox device, visit www.cox.com/upgrademymodem.
New customer
  • If you choose to purchase your own retail modem, a DOCSIS 3.0 8x4 or higher Cox certified modem is required.
  • Refer to the Certified Cable Modem list below to determine whether your modem is compatible with your Cox Internet service package.

Certifying Devices for the Cox Network

The DOCSIS 3.0 and 3.1 devices listed below meet our service and performance requirements and are certified for use with all Cox High Speed Internet packages.

  • Speeds are not guaranteed and may vary based on individual circumstances.
  • Cox does not promote or endorse any particular device or manufacturer for your use.
  • internet and Telephone modems purchased in third-party retail are not certified for use with the Cox network.
  • Review the modem manufacturer’s specifications to choose a device based on your individual needs.

DOCSIS 3.0

DOCSIS 3.0 8x4 or higher devices are required for all new Cox High Speed Internet customers. Current Cox customers should ensure they have a minimum of a DOCSIS 3.0 device in order to consistently receive optimal speeds.

  • Ultimate Classic customers are required to have a minimum of a DOCSIS 3.0 device with a minimum of 16x4 or higher channel bonding to achieve package speeds.
  • Ultimate Classic customers should upgrade to a DOCSIS 3.1 device.

DOCSIS 3.1

DOCSIS 3.1 devices listed below are certified for use with all Cox High Speed Internet package speeds.

  • Gigablast and Ultimate customers are required to have a DOCSIS 3.1 device.
  • Cox-certified DOCSIS 3.1 devices are backward-compatible with DOCSIS 3.0 technology.
  • DOCSIS 3.1 service may not be available in all areas.

Special Recommendations for WiFi

  • If your primary internet usage will be via wireless devices such as laptops, tablets, and mobile devices, then Cox recommends a dual band 802.11-AC WiFi modem. Dual band 802.11-AC WiFi modems provides the best in-home WiFi experience.
  • To learn more about WiFi, visit www.cox.com/wifisupport.

The Highest Compatible Package outlined in the table below is based on a wired connection.
 

Brand and Model Channels Highest Compatible Package Dual Band 802.11AC WiFi Or Higher
ARRIS / Surfboard CM8200 DOCSIS 3.1
32x8		 Gigablast No
ARRIS / Surfboard DG2460 24x8 Ultimate Classic Yes
ARRIS / Surfboard S33 DOCSIS 3.1
32x8		 Gigablast No
ARRIS / Surfboard SB6141 8x4 Preferred 150 No
ARRIS / Surfboard SB6180 8x4 Preferred 150 No
ARRIS / Surfboard SB6182 8x4 Preferred 150 No
ARRIS / Surfboard SB6183 16x4 Ultimate Classic No
ARRIS / Surfboard SB6190 32x8 Ultimate Classic No
ARRIS / Surfboard SB8200 DOCSIS 3.1
32x8		 Gigablast No
ARRIS / Surfboard SBG10 16x4 Ultimate Classic Yes
ARRIS / Surfboard SBG6400 8x4 Preferred 150 No
ARRIS / Surfboard SBG6580 8x4 Preferred 150 Yes
ARRIS / Surfboard SBG6700 8x4 Preferred 150 Yes
ARRIS / Surfboard SBG6782 8x4 Preferred 150 Yes
ARRIS / Surfboard SBG6900 16x4 Ultimate Classic Yes
ARRIS / Surfboard SBG6950 16x4 Ultimate Classic Yes
ARRIS / Surfboard SBG7400 24x8 Ultimate Classic Yes
ARRIS / Surfboard SBG7580 32x8 Ultimate Classic Yes
ARRIS / Surfboard SBG7600AC2 32x8 Ultimate Classic Yes
ARRIS / Surfboard SBG8300 32x8 Gigablast Yes
ARRIS / Surfboard TG1682 24x8 Ultimate Classic

This device is Cox Voice compatible.		 Yes
ARRIS / Surfboard TG2472 24x8 Ultimate Classic

This device is Cox Voice compatible.		 Yes
ARRIS / Surfboard TM3402 DOCSIS 3.1
32x8		 Gigablast

This device is Cox Voice compatible.		 No
Asus CM16 16x4 Ultimate Classic No
Asus CM32 32x8 Ultimate Classic Yes
Cisco DPC3008 8x4 Preferred 150 No
Cisco DPC3010 8x4 Preferred 150 No
Cisco DPC3825 8x4 Preferred 150 No
Cisco DPQ3212 8x4 Preferred 150

This device is Cox Voice compatible.		 No
Cisco DPQ3925 8x4 Preferred 150

This device is Cox Voice compatible.		 No
DLink DCM301 8x4 Preferred 150 No
Hitron-Zyxel CDA30360 8x4 Preferred 150 No
Linksys CG7500 24x8 Ultimate Classic Yes
Linksys CM3008 8x4 Preferred 150 No
Linksys CM3016 16x4 Ultimate Classic No
Linksys CM3024 24x8 Ultimate Classic No
Motorola MB7220 8x4 Preferred 150 No
Motorola MB7420 16x4 Ultimate Classic No
Motorola MB7621 24x8 Ultimate Classic No
Motorola MB8600 32x8 Gigablast No
Motorola MG7310 8x4 Preferred 150 No
Motorola MG7315 8x4 Preferred 150 No
Motorola MG7540 16x4 Ultimate Classic Yes
Motorola MG7550 16x4 Ultimate Classic Yes
Motorola MG7700 24x8 Ultimate Classic Yes
Netgear C3000 8x4 Preferred 150 No
Netgear C3000v2 8x4 Preferred 150 No
Netgear C3700 8x4 Preferred 150 No
Netgear C3700v2 8x4 Preferred 150 No
Netgear C6220 8x4 Preferred 150 Yes
Netgear C6250 16x4 Ultimate Classic Yes
Netgear C6300 16x4 Ultimate Classic Yes
Netgear C6300BD 8x4 Preferred 150 Yes
Netgear C6300v2 16x4 Ultimate Classic Yes
Netgear C6900 24x8 Ultimate Classic Yes
Netgear C7000 24x8 Ultimate Classic Yes
Netgear C7000v2 24x8 Ultimate Classic Yes
Netgear C7500 24x8 Ultimate Classic Yes
Netgear C7800 DOCSIS 3.1
32x8		 Gigablast Yes
Netgear CAX80 DOCSIS 3.1
32x8		 Gigablast Yes
Netgear CBR40 32x8 Ultimate Classic Yes
Netgear CBR750 DOCSIS 3.1
32x8		 Gigablast Yes
Netgear CG3000D 8x4 Preferred 150 No
Netgear CG3000Dv2 8x4 Preferred 150 No
Netgear CG4500BD 8x4 Preferred 150 No
Netgear CM400 8x4 Preferred 150 No
Netgear CM500 16x4 Ultimate Classic No
Netgear CM600 24x8 Ultimate Classic No
Netgear CM700 32x8 Ultimate Classic No
Netgear CM1000 DOCSIS 3.1
32x8		 Gigablast No
Netgear CM1000v2 DOCSIS 3.1
32x8		 Gigablast No
Netgear CM1100 DOCSIS 3.1
32x8		 Gigablast No
Netgear CM1200 DOCSIS 3.1
32x8		 Gigablast No
Netgear CM2000 DOCSIS 3.1
32x8		 Gigablast No
SMC D3CM1604 16x4 Ultimate Classic No
Technicolor CGM4141 DOCSIS 3.1
32x8		 Gigablast Yes
TP-LINK TC-7610 8x4 Preferred 150 No
TP-LINK TC-7620 16x4 Ultimate Classic No
TP-LINK TC-7650 24x8 Ultimate Classic No
TP-LINK TC-W7960 8x4 Preferred 150 No
TP-LINK CR500 16x4 Ultimate Classic Yes
TP-LINK CR700 16x4 Ultimate Classic Yes
TP-LINK CR1900 24x8 Ultimate Classic Yes
Ubee DDW365 8x4 Preferred 150 No
Ubee DDW366 8x4 Preferred 150 No
Ubee DVW326 8x4 Preferred 150

This device is Cox Voice compatible.		 No
Zoom 5341J 8x4 Preferred 150 No
Zoom 5345 8x4 Preferred 150 No
Zoom 5350 8x4 Preferred 150 No
Zoom 5352 8x4 Preferred 150 No
Zoom 5354 8x4 Preferred 150 No
Zoom 5360 8x4 Preferred 150 No
Zoom 5363 8x4 Preferred 150 Yes
Zoom 5370 16x4 Ultimate Classic No

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