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Forum Discussion
Solved
Cable Modem for Xfinity (August 2025)
Xfinity identifies the following older Netgear modems as compatible for my location: Netgear CM1100 Netgear CM2000. (I do not require Voice or WiFi in the modem.) Seeking recommendations fo...
You could also look at the CODA56. Its even cheaper.
In terms of modems, its more about looking at the reviews for reliability. Because the speed/performance is part of their certification and what the ISP sets them for. The Netgear CM3000, Arris S34, and CODA56 are all rated to the same speed tiers/specs per xfinity. So I'd look at a few reviews and then see which you prefer based on reviews and prices. Thats about it as they should all perform the same while working.
Here's xfnity's speed tier list for their next gen speeds.
https://www.reddit.com/r/Comcast_Xfinity/wiki/knowledgebase/enhanced-speeds/
You could also look at the CODA56. Its even cheaper.
In terms of modems, its more about looking at the reviews for reliability. Because the speed/performance is part of their certification and what the ISP sets them for. The Netgear CM3000, Arris S34, and CODA56 are all rated to the same speed tiers/specs per xfinity. So I'd look at a few reviews and then see which you prefer based on reviews and prices. Thats about it as they should all perform the same while working.
Here's xfnity's speed tier list for their next gen speeds.
https://www.reddit.com/r/Comcast_Xfinity/wiki/knowledgebase/enhanced-speeds/