The following list of cable modems has been certified by Comcast to work on the Comcast High-Speed Internet network. If you purchase one of these modems, and wish to return your existing rental unit, please contact your local Comcast office to make arrangements for its return.
| Model |
Notes |
| 3Com |
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| 3CR20221 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 3CR20223 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 3CR29220 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| External CMX 2940 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Aastra / Ericsson |
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| HM200c |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Ambit |
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| 60678E |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| 60740EUW |
|
| U10C018 |
|
| Arris |
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| CM300 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CM450a |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| Belkin |
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| F5D5530-W |
Need USB drivers? Download them from comcast.net! |
| Bestdata |
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| CMX100 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CMX110 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CMX300 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CMX300v2 |
|
| Broadxant |
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| 8601 |
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CastleNet |
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| CXC150 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| CXC250 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| DP1110XB2 |
|
| Cisco |
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| UBR 904 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| UBR 905 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| UBR 925 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Com21 |
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| CM CP-3001 (DP1010) |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CM DP101 |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CM DP111 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CM DP1110 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CM DP1110XB |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| D-Link |
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| DCM100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DCM200 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DCM201 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DCM202 |
|
| Ericcson |
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| PipeRider HM200c |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| High Speed Surfing |
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| SM100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| SM200 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Linksys |
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| BEFCMU10 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| BEFCMU10 ver2 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| BEFCMU10 ver3 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| BEFCMU10 ver4 |
|
| BEFCMUH4 |
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor. |
| WCG200 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| Motorola |
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| SB3100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| SB3100D |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| SB4100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SB4101 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SB4200 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SB4220 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SB5100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SB5101 |
|
| SB5120 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| SBG900 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| SBG1000 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor. |
| Netgear |
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| CM212 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CG814W |
Need USB drivers? Download them from comcast.net! |
| CG814WG |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| CG814WGV2 |
|
| CG814M |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| CG814Mv2 |
Need USB drivers? Download them from comcast.net! |
| RCA |
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| DCM105 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DCM205 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DCM215M |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| DCM225/226 |
Need USB drivers? Download them from comcast.net! |
| DCM235 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| DCM245/245R |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
The DCM245 and the DCM245R are the same identical modem. The "R" was added by TCE/RCA to help them distinguish between MSO shipped modems and retail shipped modems. The "R" stands for retail modems. |
| DCM305 |
Need USB drivers? Download them from comcast.net! |
| DCM315 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| DCM325 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| DCM425 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| DHG525 |
|
| DCW615 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor. |
| DCW725 |
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor. |
| Samsung |
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| CM100-R |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| SCM-120U |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| SCM-140U |
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Scientific Atlanta / Webstar |
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| DPX100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| DPX110 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DPX2100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| DPC2100 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| Siemens Speedstream |
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| SS6101 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| SMC |
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| 8002 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 8004CM |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| 8011 |
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 8012WG |
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 8013WG |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor. |
| Terayon |
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| ECM110/TJ110 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| ECM210/TJ210 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| ECM615/TJ615 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| TJ715/TJ715x |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| TJ716x |
|
| Toshiba |
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| DAZ8801F (PCX1000) |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| DAZ8811F (PCX1100) |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader) |
| DAZ8813F (PCX1100U) |
Need USB drivers? Download them from comcast.net! |
| PCX2000 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| PCX2200 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| PCX2500 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net! |
| PCX2600 |
Need USB drivers? Download them from comcast.net! |
| PCX5000 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem has an integrated router that is currently not supported by Comcast. While Comcast will support this modem's connectivity to the Internet, please direct any issues with the router or wireless Internet functionality to the vendor.
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| Zoom |
back to top |
| 5011 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 5041 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |
| 5141 |
|
| 5241 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
Need USB drivers? Download them from comcast.net!
|
| Zyxel |
back to top |
| Prestige 941 |
Can't find your manual? View it on Comcast.net! (requires Adobe Reader)
This modem cannot be upgraded to comply with the DOCSIS 1.1 specification. If you currently use this model it is not necessary to remove it from the network. However, this device should not be returned to service if sent back to the warehouse, nor should it be purchased for use with the Comcast High-Speed Internet Service. |