Customer Ratings & Reviews

I was paying for a modem/router combo rental. Purchasing this eliminated that rental cost from my bill. Also, I was already using a seperate Google router, so it made no sense for me to continue renting the modem/router combo from xfinity.

Can only use one eternet port and does not have phone jack

Despite the positive reviews, do NOT buy this modem. It worked great for two weeks and then stopped being able to effectively connect to the internet- the upstream and downstream lights kept flashing and the internet would drop about every ten minutes. Contacted Charter/Spectrum and Netgear. Netgear technical support seems to be overseas and was less than helpful. Rebooted, performed factory reset but when reconnected my old modem everything worked fine- albeit the speeds were slower. Netgear wouldn't replace it and Best Buy won't let me return the item. Spectrum/Charter verified that the modem was the problem and allowed me to rent one for free. It might not be as fast as this one but at least it works!!!

Only one ethernet LAN port is able to be used at any given time. I should have read the reviews before i bought. Will have to return this

Netgear CM1200 Very disappointed. Upgraded from my old 2016 cisco modem to get higher speeds (above 150mbps). It worked well for 72hs. After that, speeds began to drop to zero. After resetting it would work for a while and then back to zero. Went back to my old 2016 CISCO and everything went back to normal. Returning.

dropped signal ALL the time and had to be reset near daily. unless if ethernet ports are an absolute must, the Arris surfboard is a much better option as far as docsis 3.1 modems go.

It didn't work with my service so I was never able to find out how it works.

For some reason every netgear product we've had stopped working after 2 yesr. The ports just give out. We had to change to ASUS. The store employees & experience, however, were fantastic.

I can't express the amount of disappointment & frustration I experienced with this product. I bought this product and after unsuccessfully getting it to work, then spending a looong time on the phone with Xfinity & Netgear they decided the modem was defective. So I returned it and got a replacement. Again, lots of time & frustration, I returned the second modem because it would not connect either.

I believe is one of the best. Unfortunately work just as a modem. Not a router. It mean that you can connect device with cable, but there is no wifi device on it.

Worked fine for a 13.5 months, so out of warranty. I periodically reboot and this time it never came back.

A bit flimsy in quality It works yet is rather disappointing.

I needed to upgrade my modem recently, so I found this model. It was compatible with Xfinity and stated "Multi-gig" with speeds over 1 gig. However, after 2 months, Comcast is telling my modem is not supported for speeds over 800 gig and I can't upgrade to unlimited data plans. And it's too late to return or exchange. That's over $200 down the drain. I'm so mad - I feel tricked and misled. I don't know why Netgear is still selling this model.

Worst purchase EVER! It was defective from the start, Netgear service was HORRIBLE. They kept insisting the product worked and that it was my internet provider. I had to go back and forth with them so many times over the months, that the Best Buy return window closed, so the store wouldn’t help me either! I had to have my cable company come out and prove the lines were working, and ended up having to rent a new modem from. I spent over 200 for nothing. AWFUL.

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The base could stand to be a bit wider, and also a bit heavier. I'm also a fan of keyholes so that items like this could be hung on a wall. Other than those minor issues, everything seems fine.

Does not work with an ATT system just scrambles your tv

I bought this on August 16, 2020. It worked fine for 3 weeks and then suddenly my internet keeps on failing. My kids would get logged out from their distance learning and cannot even go online. I have Spectrum 400 MB. If it works, it has crawling download speed of 2-40 MB. I called spectrum 4 different times and they troubleshoot it over the phone but no success. Spectrum tech came in today and did not find any issues with the lines or connection. The issue was this Netgear modem. He replaced the modem and it's back to over 400 MB speed. It was over the 2 week return period per BestBuy so they cannot help me.

This modem worked fine for maybe a week. I would have to unplug it multiple times a day and also reset it after that first week. It was very frustrating since I thought I bought a high end modem only to have issues constantly. I ended up exchanging it for an $80 surfboard and haven’t ran into any issues even though it is the one known for having a bad chip in it. Maybe I had a faulty modem who knows but as of now I am using the surfboard.

I purchased this cable/modem because it has 4 ethernet ports. Only one port works and from reading different reviews it appears NETGEAR needs to do a firmware update so that all the ports can be used. Unbelievable that they would not have all the ports working.