The Internet should add convenience, not headaches. From step-by-step instructions to helpful tips, we'll help you install your equipment, troubleshoot problems, and get the most out of your online experience – minus the migraine.
Cox Compatible Cable Modems
Last Updated: Fri, 21 Nov 2014 > Related Articles
View information on approved cable modems for use on the Cox High Speed Internet service.
Below are approved modems and WiFi modems for use with Cox High Speed Internet service.
Need help with picking a cable modem or have questions about DOCSIS technology? See Choosing the Right Cable Modem for more information.
Not all equipment sold by Cox is available in every Cox market. Check with your local market to find out what equipment is available. Also, some modems that have been purchased from a second hand vendor, such as online auctions, garage sales, pawn shops, may not work on the Cox High Speed Internet service.
Cox offers WiFi modem devices, combining a modem and wireless router in one convenient device, for rent or purchase. These devices are recommended for all packages of Cox High Speed Internet service.
|Cisco||DPC3825 (Single Band)|
|Netgear||CG3000D (Single Band)|
|CG3000Dv2 (Single Band)|
|CG4500BD (Dual Band)|
|Ubee||DDW365 (Single Band)|
|DDW366 (Dual Band)|
Additional Cox Recommended Devices
The DOCSIS 3.0 devices listed below meet our service and performance requirements.
Note: DOCSIS 3.0 devices are required for all new Preferred, Premier, Premier Plus (where available), and Ultimate tier customers. Current Cox customers on those tiers should ensure they have a DOCSIS 3.0 device in order to consistently receive optimal speeds.
|Brand||Model||Highest Compatible Package|
|ARRIS / Motorola||SB6120||Preferred|
|SBG6580 (WiFi modem)||Ultimate|
|SBG6782 (WiFi modem)||Ultimate|
|C3000 (WiFi modem)||Ultimate|
|C3700 (WiFi modem)||Ultimate|
|N450 (WiFi modem)|
Note:This device is also known as the CG3000Dv2.
Note: Click on the link above for market compatibility.
|Ultimate, except in markets noted|
|5350 (WiFi modem)||Ultimate|
|5352 (WiFi modem)||Ultimate|
Legacy DOCSIS 2.0 devices (no longer recommended)
Cox recommends all customers use a DOCSIS 3.0 device from the list above.
There are a limited number of DOCSIS 2.0 devices that will continue to work on the Cox network, but if you are on Preferred, Premier, Premier Plus, where available, or the Ultimate tier, Cox strongly recommends that you upgrade to a DOCSIS 3.0 device for the best consistent speed experience. Future speed increases may not be achievable with these devices.
|ARRIS / Motorola||SB5100|
SBG900 (WiFi modem)
SBG901 (WiFi modem)
SMC8013 (WiFi modem)