Configure modem for 1000 Mbps speed(Xfinity)

Question

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 · Answer

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

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

FURRYe38 · Answer

What ever the next lower speed package the ISP supports for your model modem. Ask them about this.&nbsp;
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Good Luck.
muhvieira&nbsp;wrote:
Thank you so much for replying back to me, which speed would be the max that my modem would accept?&nbsp;

&nbsp;

plemans · Answer

The C7000v2 is only supported for up to 863mbps.&nbsp;
https://assets.xfinity.com/assets/dotcom/projects/cix-4997_compatible-devices/2024.03.14%20Full%20List%20of%20Compatible%20Devices.pdf
Is it worth trying to get the extra 100mbps by upgrading your modem/router?Thats up to you.&nbsp;
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&nbsp;

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Configure modem for 1000 Mbps speed(Xfinity)

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