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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.
 

If you are a... Then...
Customer who has a DOCSIS 1.1 Device

Effective August 7, 2017, DOCSIS 1.1 modems will no longer function on the Cox network. Visit www.cox.com/modemupdate for more information.

Customer who has a DOCSIS 2.0 Device
  • If you subscribe to Preferred 100 or Ultimate and have a DOCSIS 2.0 device, your 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 device, visit www.cox.com/upgrademymodem.
New Customer
  • If you choose to purchase your own retail modem, a DOCSIS 3.0 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.
  • You will not be able to access your Cox Internet service with a DOCSIS 2.0 or lower modem.

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, excluding Gigablast.

  • 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.
  • Review the modem manufacturer’s specifications to choose a device based on your individual needs.
     

DOCSIS 3.0

DOCSIS 3.0 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. Additionally, Ultimate 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.


DOCSIS 3.1

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

  • 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, 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 Modem
ARRIS / Surfboard CM8200 DOCSIS 3.1
32x8
Gigablast No
ARRIS / Surfboard DG2460 24x8 Ultimate Yes
ARRIS / Surfboard SB6120 4x4 Essential No
ARRIS / Surfboard SB6121 4x4 Essential No
ARRIS / Surfboard SB6141 8x4 Preferred 100 No
ARRIS / Surfboard SB6180 8x4 Preferred 100 No
ARRIS / Surfboard SB6182 8x4 Preferred 100 No
ARRIS / Surfboard SB6183 16x4 Ultimate No
ARRIS / Surfboard SB6190 32x8 Ultimate No
ARRIS / Surfboard SB8200 DOCSIS 3.1
32x8
Gigablast No
ARRIS / Surfboard SBG6400 8x4 Preferred 100 No
ARRIS / Surfboard SBG6580 8x4 Preferred 100 No
ARRIS / Surfboard SBG6700 8x4 Preferred 100 Yes
ARRIS / Surfboard SBG6782 8x4 Preferred 100 Yes
ARRIS / Surfboard SBG6900 16x4 Ultimate Yes
ARRIS / Surfboard SBG7580 32x8 Ultimate Yes
ARRIS / Surfboard TG1682 24x8 Ultimate Yes
ARRIS / Surfboard TG2472 24x8 Ultimate Yes
ARRIS / Surfboard TM3402 DOCSIS 3.1
32x8
Gigablast No
ARRIS / Surfboard WBM760 4x4 Essential No
Asus CM16 16x4 Ultimate No
Cisco DPC3000 4x4 Essential No
Cisco DPC3008 8x4 Preferred 100 No
Cisco DPC3010 8x4 Preferred 100 No
Cisco DPC3825 8x4 Preferred 100 No
Cisco DPQ3212 8x4 Preferred 100 No
Cisco DPQ3925 8x4 Preferred 100 No
DLink DCM301 8x4 Preferred 100 No
Hitron-Zyxel CDA30360 8x4 Preferred 100 No
Linksys CM3008 8x4 Preferred 100 No
Linksys CM3016 16x4 Ultimate No
Linksys CM3024 24x8 Ultimate No
Motorola MB7220 8x4 Preferred 100 No
Motorola MB7420 16x4 Ultimate No
Motorola MB8600

DOCSIS 3.1
32x8

Gigablast No
Motorola MG7310 8x4 Preferred 100 No
Motorola MG7315 8x4 Preferred 100 No
Motorola MG7540 16x4 Ultimate No
Motorola MG7550 16x4 Ultimate Yes
Netgear C3000 8x4 Preferred 100 No
Netgear C3000v2 8x4 Preferred 100 No
Netgear C3700 8x4 Preferred 100 No
Netgear C3700v2 8x4 Preferred 100 No
Netgear C6220 8x4 Preferred 100 No
Netgear C6250 16x4 Ultimate No
Netgear C6300 16x4 Ultimate Yes
Netgear C6300BD 8x4 Preferred 100 Yes
Netgear C6900 24x8 Ultimate Yes
Netgear C7000 24x8 Ultimate Yes
Netgear C7000v2 24x8 Ultimate Yes
Netgear C7500 24x8 Ultimate No
Netgear C7800

DOCSIS 3.1

32x8

Gigablast Yes
Netgear CG3000D 8x4 Preferred 100 No
Netgear CG3000Dv2 8x4 Preferred 100 No
Netgear CG4500BD 8x4 Preferred 100 No
Netgear CM400 8x4 Preferred 100 No
Netgear CM500 16x4 Ultimate No
Netgear CM600 24x8 Ultimate No
Netgear CM700 32x8 Ultimate No
Netgear CM1000 DOCSIS 3.1
32x8
Gigablast No
Netgear CMD31T 4x4 Essential No
SMC D3CM1604 16x4 Ultimate No
TP-LINK TC-7610 8x4 Preferred 100 No
TP-LINK TC-7620 16x4 Ultimate No
TP-LINK TC-7650 24x8 Ultimate No
TP-LINK TC-W7960 8x4 Preferred 100 No
TP-LINK CR700 16x4 Ultimate Yes
TP-LINK CR500 16x4 Ultimate Yes
Ubee DDW365 8x4 Preferred 100 No
Ubee DDW366 8x4 Preferred 100 No
Ubee DVW326 8x4 Preferred 100 No
Zoom 5341 4x4 Essential No
Zoom 5341J 8x4 Preferred 100 No
Zoom 5345 8x4 Preferred 100 No
Zoom 5350 8x4 Preferred 100 No
Zoom 5352 8x4 Preferred 100 No
Zoom 5354 8x4 Preferred 100 No
Zoom 5360 8x4 Preferred 100 No
Zoom 5363 8x4 Preferred 100 No
Zoom 5370 16x4 Ultimate No

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