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.

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 100 or Ultimate and have a DOCSIS 2.0 device, 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 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. 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.

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.

DOCSIS 3.132x8

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 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 SBG10	16x4	Ultimate	Yes
ARRIS / Surfboard SBG6400	8x4	Preferred 100	No
ARRIS / Surfboard SBG6580	8x4	Preferred 100	Yes
ARRIS / Surfboard SBG6700	8x4	Preferred 100	Yes
ARRIS / Surfboard SBG6782	8x4	Preferred 100	Yes
ARRIS / Surfboard SBG6900	16x4	Ultimate	Yes
ARRIS / Surfboard SBG6950	16x4	Ultimate	Yes
ARRIS / Surfboard SBG7400	24x8	Ultimate	Yes
ARRIS / Surfboard SBG7580	32x8	Ultimate	Yes
ARRIS / Surfboard SBG7600AC2	32x8	Ultimate	Yes
ARRIS / Surfboard SBG8300	32x8	Gigablast	Yes
ARRIS / Surfboard TG1682	24x8	Ultimate This device is Cox Voice compatible.	Yes
ARRIS / Surfboard TG2472	24x8	Ultimate 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	No
Asus CM32	32x8	Ultimate	Yes
Cisco DPC3008	8x4	Preferred 100	No
Cisco DPC3010	8x4	Preferred 100	No
Cisco DPC3825	8x4	Preferred 100	No
Cisco DPQ3212	8x4	Preferred 100 This device is Cox Voice compatible.	No
Cisco DPQ3925	8x4	Preferred 100 This device is Cox Voice compatible.	No
DLink DCM301	8x4	Preferred 100	No
Hitron-Zyxel CDA30360	8x4	Preferred 100	No
Linksys CG7500	24x8	Ultimate	Yes
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 MB7621	24x8	Ultimate	No
Motorola MB8600	32x8	Gigablast	No
Motorola MG7310	8x4	Preferred 100	No
Motorola MG7315	8x4	Preferred 100	No
Motorola MG7540	16x4	Ultimate	Yes
Motorola MG7550	16x4	Ultimate	Yes
Motorola MG7700	24x8	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	No
Netgear C6300v2	16x4	Ultimate	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 CBR40	32x8	Ultimate	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 CM1000v2	DOCSIS 3.1 32x8	Gigablast	No
Netgear CM1100	DOCSIS 3.1 32x8	Gigablast	No
Netgear CM1200	DOCSIS 3.1 32x8	Gigablast	No
SMC D3CM1604	16x4	Ultimate	No
Technicolor CGM4141	DOCSIS 3.1 32x8	Gigablast	Yes
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 CR500	16x4	Ultimate	Yes
TP-LINK CR700	16x4	Ultimate	Yes
TP-LINK CR1900	24x8	Ultimate	Yes
Ubee DDW365	8x4	Preferred 100	No
Ubee DDW366	8x4	Preferred 100	No
Ubee DVW326	8x4	Preferred 100 This device is Cox Voice compatible.	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	Yes
Zoom 5370	16x4	Ultimate	No