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The NETGEAR CM500 high speed Cable Modem provides a connection to high-speed cable Internet, up to 680Mbps. It is cable labs Certified and with DOCSIS 3. 0 is 16x faster than 2. 0 devices. It works with U. S. Cable Internet provider Comcast XFINITY & more. It is not compatible with cable bundled Voice services.
System Requirements
- Cable Broadband Internet service
- Please check your cable Internet service provider web site for data speed tier compatibility
- Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network
- Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher.
TheReal66
Reviewed in the United States on February 15, 2025
Bought this unit 6 years ago. This cable modem is still ripping! It'll pull down 630 MB per sec. Solid stability. Just got off the phone with Spectrum (still not taking there free hardware). Having your own hardware is best! This modem and a good Wifi Router works like a champ.
Roberto M.
Reviewed in the United States on September 14, 2024
I just needed to replace my modem. It was a different brand installed by the technician I hired a year ago to set up my home network. I choose the Netgear CM700. Netgear has a history of excellent quality. It is affordable, easy to set up, and works every time. You can't be wrong.
Wondering
Reviewed in the United States on November 25, 2024
The modem arrived early, it worked perfectly after a call to COX, telling me to contact NETGEAR, because it was a modem issue is why it would not connect to my desktop or router. Netgear said it was my router, wrong. The next day a COX tech spent 4 hours at my home. He left telling me that I needed a new router and the internet to my desktop worked on some sites, did not work on other sites at all. For any COX internet customers, once you connect this modem, or any other brand, you HAVE to call the COX Sales department to have it activated, I repeat, call Sales. Also, I use Windows 10, you absolutely have to be logged in as the administrator, That is what I did, my desktop connected to the internet and I then connected the modem to my router and my desktop from the router and the modem has worked perfectly since then. I would buy from the Seller again, without a 2nd thought, I couldn't be any happier with their service. The modem has been an excellent buy and I am happy that I purchased it.
JokingJ
Reviewed in the United States on August 19, 2023
First off, it's worth noting that the product listing is incorrect when it says 200Mbps is the top speed this modem can do with Xfinity; looking at Xfinity's own list of compatible devices (see photo), this Netgear modem should top out around 370Mbps. I don't pay for that speed, but I can say definitively that it will do more than 200Mbps; in a speed test over my Nest mesh WiFi setup, I got nearly 220Mbps down, so coming right off the modem it was probably a bit quicker still.In terms of ease of use, I'd say this is about as easy as it gets with Xfinity right now (mid-2023). I hooked it up, did the activation dance, and presto there was internet.In any case, for those who have a good WiFi router/mesh system of their own, only pay for 200-350Mbps speeds, and don't want to pay extra for one of Xfinity's modem/router combo gateways every month, this fits the bill. My only gripe (and it's minor) is that this modem doesn't have a built in ethernet switch, and thus only has one ethernet port, but that's not surprising for a $50 modem.
stephenF
Reviewed in Australia on March 24, 2022
Where is my cable/internet line? Also kind difficult to set up, anyone want buy this modem really need to add more budget update your modem rather than this. Lessons got
Chrism81
Reviewed in Australia on September 14, 2021
I bought this product to pair up with a new Router as I'm upgrading so that I can start connecting up smart lights security cameras music etc so far working perfectly
Hen
Reviewed in the United States on February 1, 2019
I knew I needed a 16 channel downstream MODEM for my 250Mbps connection. MODEM are pretty simple, you make sure you have enough channels to cover your speed or you may limit the speed of your connection. Optimum technician took almost 1 hour for setting up connection. Overall I get speed around 100-150 Mbps which is lower compared to the plan I have but it's enough for me to watch HD videos on 4-5 devices simultaneously.1. There is no way to mount this to a wall and while that may sound silly I have my network homerun to a closet and wall mounting would be the easiest way to keep it out of the way.2. It's very lightweight and made of plastic like material so it's easy for the cable to pull the MODEM off of it's base and the glossy plastic shows fingerprints too easily.Summary:A solid piece of networking equipment. No frills casing but ultimately I can deal with that.
TooTechnical
Reviewed in the United States on March 14, 2018
I hate this new world of product reviews and the "online" experience. Every time I say to myself, "I won't put a lot of time into this". So what do I do? I put a lot of time into researching these things. Why? Because there's this inherent need to read reviews and look at the negative before the positive. There are always more negative than positive reviews, simply because those who are pissed will write and those who are happy, move on with their lives. In this case, the negative review percentage was small in relation to the positive reviews and therefore a viable purchase. So after 2 hours of researching and reading, I made this purchase. Yes, I did all the research to make sure this would work with Time Warner/Spectrum 200mbps service. BTW, the only reason I am upgrading from my 50mbps UBEE which gets me 73mbps, is because Spectrum took me from 100mbps to 200mbps for free. Otherwise, I wouldn't have gone through all of this.Now yea! I ordered on a Sunday and received it Sunday night! Really, who cares. Well some might I guess. But since they felt the need to get it to me so fast what the hell, I took it. However, 3 days later I finally found the time to waste another 2 hours (and more now that I have to do this all over again plus spend time writing this review - ugh).So now on with the nightmare. Call on my magic jack which is hooked to my internet (of course) with my cell phone handy (which is a tracfone which is why I don't want to waste minutes). After 30 minutes of the preemptive strike,it was time to make the switch. Already I was feeling like this wouldn't work as the tech was having issues with the MAC address and it took way too long for this prep time - shouldn't take more than 10 minutes perhaps.Okay, the tech called me back on my cell phone. Now the minutes are ticking. 20 minutes later, the steady green simply would not happen. 40 minutes later, the tech did the "clear quarantine" even though I told him that they needed to do this last time I did this (a different long story). 60 minutes later, nothing, 80 minutes, nothing. Time to call it. Time of Death, 10:45am. Now to re-hook up my old modem. All of 2 minutes! Again, tried and true UBEE rock solid modem. Switching to a different modem altogether. Good luck to all those deciding on this model. I refuse to try again.I cannot say this was a problem with the modem or with Spectrum. In my 40 years in the IT world, I've seen almost everything. However, if this modem gave such problems, why bother. In this "new age" plug 'n play went out a long time ago and devices just work or they don't.Oh - BTW, I read some reviews where this modem got really hot to the touch. I did leave this modem turned on for the 3 days before I hooked it up and yes, it was quite hot. Much hotter than my UBEE modem, but then again, this modem is 1/3 the size with much less vents than the UBEE. I won't say this was the issue, but it did cause me concern as I leave this modem unattended upstairs and out of site. If I kept it, I probably would have put a smoke alarm near it.To those with success using this, may you have many uninterrupted happy years of service.Time to shop - oh joy...
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