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No minimum, but I wouldn't spend a premium on a cable modem that supports > 2.5GB/s down and > 1GB/s up if you're not going to use it. There are more optimal options in that case.
Sorry, there was a problem. Please try again later.no not required!
Sorry, there was a problem. Please try again later.This works with any speed below 2.5g on xfinity but does not provide wifi or voice. Here is what xfinity says: CM3000 (Next Gen Speed Tier) Built-in WiFi: No Voice-enabled: No Wired download speed: Up to 2.33 Gbps
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