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Cox Approved Cable Modems
Last Updated: Thu, 23 Apr 2015 > Related Articles
View information on approved 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 picking a 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 Modems, combining a modem and wireless router in one convenient device. These are available for rent or purchase and are recommended for all Cox High Speed Internet service packages.
|Cisco||DPC3825 (Single Band)|
|Netgear||CG3000D (Single Band)|
|CG3000Dv2 (Single Band)|
|CG4500BD (Dual Band)|
|C6300BD (Dual Band)|
Note: Available in select areas only.
|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, and Ultimate package customers. Current Cox customers on those packages should ensure they have a DOCSIS 3.0 device in order to consistently receive optimal speeds. Additionally, Premier and Ultimate customers are required to have a DOCSIS 3.0 device with 8 x 4 or higher channel bonding to achieve package speeds. Older DOCSIS 3.0 devices with 4 x 4 channel bonding are only recommended for Preferred or below packages, as shown in the following table.
|Brand||Model||Highest Compatible Package|
|ARRIS / Motorola||SB6120||Preferred|
|SBG6400 (WiFi Modem)||Ultimate|
|SBG6580 (WiFi Modem)||Ultimate|
|SBG6782 (WiFi Modem)||Ultimate|
|C3000 (WiFi Modem)||Ultimate|
|C3700 (WiFi Modem)||Ultimate|
|C6300 (WiFi Modem)||Ultimate|
|N450 (WiFi Modem)|
Note:This device is also known as the CG3000Dv2.
|5350 (WiFi Modem)||Ultimate|
|5352 (WiFi Modem)||Ultimate|
|5363 (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 continue to work on the Cox network, but if you are on a Preferred, Premier, or Ultimate package, 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)