Configure modem for 1000 Mbps speed(Xfinity)

[muhvieira]

I’m having issues with my speed connection and Xfinity told me I need to configure my modem to be able use my 1000 Mbps speed. How do I do it? My modem model is a NETGEAR Nighthawk Modem WiFi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox for Plans Up to 800Mbps | AC1900 WiFi Speed | DOCSIS 3.0. 

Thank you

[FURRYe38]

D3.0 wasn't supported for 1Gb on some iSPs. If you want 1Gb ISP speeds, you'll need a D3.1 supporting modem. 

Someting to contact about and check to see what is supported. NETGEAR CM series cable modems are mostly D3.1 supporting. Last C series gateway modem was the C7800 I believe. 

[muhvieira]

Thank you so much for replying back to me, which speed would be the max that my modem would accept? 

[FURRYe38]

What ever the next lower speed package the ISP supports for your model modem. Ask them about this. 

Good Luck.

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@muhvieira wrote:

Thank you so much for replying back to me, which speed would be the max that my modem would accept? 

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[plemans]

The C7000v2 is only supported for up to 863mbps. 

https://assets.xfinity.com/assets/dotcom/projects/cix-4997_compatible-devices/2024.03.14%20Full%20Li...

Is it worth trying to get the extra 100mbps by upgrading your modem/router?
Thats up to you. 

If you did, I'd try for a device that supports their mid split speeds and get a router separate. More expensive but if you're going to pay for that extra 100mpbs, you m right as well pay for mid split to get the increased upload to.

Or you can keep using your device as you really won't see a performance difference from 863mbps to 963 mpbs