NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Oct 20
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Style: Modem
Features
- Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 950Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
- Supports internet service plans up to 1Gbps maximum
- Easy and quick setup to connect any WiFi router (separate unit) to this modem's Ethernet port to support all your wireless devices
- 1 Gigabit Ethernet port connects to your computer or separate WiFI router (separate units)
- Made for use in the U.S. only
Description
The CM1000 ultra-high speed cable modem, with speeds up to 1Gbps and DOCSIS 3.1 is 10X faster than DOCSIS 3.0 devices. It's backward compatible with DOCSIS 3.0 and ready for future service plan upgrades. A Gigabit Ethernet port provides faster access and downloads.
Brand: NETGEAR
Internet service provider: xfinity;spectrum;cox;optimum
Connectivity Technology: Ethernet
Compatible Devices: Router
Product Dimensions: 5.9"L x 5.4"W x 8.8"H
Connectivity Technology: Ethernet
Compatible Devices: Router
Number of Ports: 1
Maximum Downstream Data Transfer Rate: 1029 Megabits Per Second
Maximum Upstream Data Transfer Rate: 246 Megabits Per Second
Data Transfer Rate: 1000 Megabits Per Second
Number of Ethernet Ports: 1
Item Dimensions L x W x H: 5.9"L x 5.4"W x 8.8"H
Color: Black
Brand: NETGEAR
Internet Service Provider: xfinity;spectrum;cox;optimum
Modem Type: Cable
UPC: 606449111071
Global Trade Identification Number: 71
Manufacturer: Netgear
Mfr Part Number: CM1000-100NAS
Model Number: CM1000-100NAS
Item Type Name: NETGEAR CM1000 Ultra-High Speed Cable Modem – DOCSIS 3.1 Certified for XFINITY by Comcast (CM1000)
Unit Count: 1.0 Count
Item Weight: 0.84 Pounds
Warranty Description: This product comes with a limited warranty that is valid only if purchased from a NETGEAR authorized reseller
Built-In Media: Ethernet cable, Power adapter, Quick install guide, Ultra-High Speed Cable Modem—DOCSIS 3.1 (CM1000)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Oct 20
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 2 Gbps
This is an exceptional cable modem and replaced our cox hardware. Installation is simple and straight forward. This device out performs stock hardware in every way. The signal quality is very stable, speeds are above normal and stable. This device will also save you from paying those pesky rental fees for sub par hardware. It pays for itself over time and offers you a better overall experience with your network. Win, win, win.
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Reviewed in the United States on May 25, 2024 by Eric
Style: 1 Gbps
Review of Netgear CM1000v2. I got a notice from my internet company, xFinity, that I should upgrade my old DOCSIS 3.0 modem to a newer 3.1 version. Even though my internet package only gets me up to 59Mbps, nowhere near the gigabyte speed offered by the new modems, I decided to replace my old modem anyway, since I was starting to get more internet outages over the past few weeks. I figured the older technology maybe wasn't being supported as well on the network, and I had to keep resetting my modem and waiting for connectivity to come back again. Installation was pretty easy. 1. First, unplug old modem from power, cable and ethernet. 2. Plug all of those into the new modem and wait for all the lights to stay on, which can take up to 10 full minutes. 3. Go into the xFinity app on your phone, log into your account, then tap Account, Activate xFi Gateway or Modem, Your Own Modem, Start Activation, then follow prompts from there. You will need to enter the MAC address, which is printed on the bottom of the modem. It may take another 10 minutes after activation for you to have internet access. All worked well for me and there were no problems. Modem has been working flawlessly for the past few days since I set it up. As I said, my plan only gives me up to 59Mbps, and that has not increased with this modem. It will only increase if I change my plan to a higher speed plan. But, I have a newer technology modem now that is at least ready for future speed increases should I choose to pay for that, and this DOCS 3.1 modem may have better security and more compatibility with the xFinity network. Things I like about it: 1. It has an on/off button on the back. VERY handy for resetting the modem. Much more convenient than having to pull the power plug then struggle to get it plugged back in while in a tight, dark space behind the modem. Many modems do not have an on/off button. 2. The lights are easy to see, but not too bright. On my previous Arris modem, the lights were overwhelmingly bright and flashing, so much that you could hardly read what their function was. These lights are much better. 3. The form factor is good; thin and tall, with a sturdy base. Other note: Some reviewers have said this modem gets HOT. I don't find that to be the case. It is warm, but not really any warmer than any other modem or streaming device I've had, especially one that is on 24 hours a day. Bottom line, this modem is a highly compatible modem for xFinity and all other cable systems, has an on/off button, good form factor, perfectly readable and not-too-bright lights, and is easy to set up.
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Reviewed in the United States on December 31, 2023 by Steven Gorman Steven Gorman
Style: 1 Gbps
I don't do reviews often but I want to help my geek friends save days of research and frustration that I went through to finally get the absolute most speed out of my Gigabit internet. There's some golden nuggets here that you need to know. When I first upgraded to the new gigabit here in Denver (from Xfinity), it was using their new Cable Modem/Router device (XB6-A) and I was only getting 500 Mbps download speed. It was also lagging in our house when several people were gaming and others were downloading, or even accessing intensive web-pages. (lagging = pings were going up). Since upgrading to this Netgear CM1000, upgrading my cabling, and factory resetting my router, I'm now getting the most download throughput (~941 Mbps) and the lowest pings I've EVER seen! Connection is rock solid throughout the house. SHORT ANSWER: Get this Netgear CM, upgrade your ethernet cables to Cat 6 (or Cat 5E for short distances) and then Factory Reset your router to get the most speed. You still may need a new router to reach gigabit speeds. I'm getting the most download throughput (~941 Mbps) and the lowest pings I've EVER seen! I did lots of tests comparing this cable modem to the XB6-A that Xfinity provided. Here are some big things I learned: 1) Make sure your ethernet cables going from the cable modem to the router and from the router to your PC are CAT6 or at least CAT5E (for short distances). 2) Upgrading to this Netgear CM1000 Cable Modem LOWERED my ping/latency compared to the XB6-A that Xfinity provided. I just got a 5 MS Ping to the google server here in Denver! UNHEARD OF. Most of the time it's around 8-9ms with this new cable modem. I was getting 11-14 w/ the Xfinity modem. If you're a gamer, a lower ping matters! 3) The Xfinity XB6-A modem/router combo doesn't work too well when you have your own router also connected to it. Xfinity recommends you only use their device and disconnect your router. 4) Around 941 mbps is the max download speed that modern gigabit routers/switches can do right now so don't be worried if you can't get above that. 5) Many routers can't handle gigabit download speeds, especially if you've enabled any of the features like QoS, Traffic Meter, Keyword block, etc. My Netgear Nighthawk (R7000) was only getting 400-500 mbps (using speedtest) because I had enabled some of these features. Even when I disabled these features, the speed was still low. Doing a FACTORY reset fixed it, and now I'm getting 937 - 943 mbps download speed!!! The reason these routers slow down when you enable extra features is because it disables CTF (cut through forwarding) and the router no longer uses it's faster processor. Some of the newer routers can still maintain max download speeds of 941 mbps while also allowing you to use QoS and other features. 6) There's a great website called Small Net Builder that compared routers to see which could reach 941 mbps download speed. I recommend you check that out if you need a new router. Keep in mind that this Netgear CM1000 is JUST a cable modem. It's not a router. So if you only have 1 device you want to wire into it, you're fine but if you want to have more devices, and wireless, then you'll need a router too. The Xfinity provided XB6-A is both a cable modem and a wireless router in one. I personally think it has some flaws that need to be worked out but appears to be a beefy piece of hardware. You can save yourself the $10/month rental by getting this Netgear CM1000. P.S. I do plan to upgrade my router so that I can still get 941 mbps download speed while enabling QoS. With QoS, it will set aside a portion of your bandwidth (say 20%) for high priority traffic like gaming that need low latency, and then it will limit all other connections (like large downloads) to the other 80% the connection. Keep in mind, if you enable this and run a speedtest, it will appear lower simply because it's now reserving part of your bandwidth for other devices/traffic in your home.
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Reviewed in the United States on June 15, 2017 by One Happy Dude One Happy Dude
Style: 2 Gbps
I loath Comcast/Xfinity, I hate having only one option for 1G+ internet besides ATT which is another horrible company. Multiple times a year we have some issue with Xfinity and my internet speed falls below 10mbs. The modem router combo is weak and I have mesh system throughout my house to provide internet throughout. I purchased Net Gear router and TP-link WiFi router to beef things up. I was scared about installation and the dreaded Xfinity customer service I would need to deal with. This router was easy, all online, no call to X and no issues. Speed is over a gig and no one complaining about buffering or glitches. Love it!
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Reviewed in the United States on March 18, 2024 by Matt Perry
Style: 1 Gbps
Would give this guy 5 stars but if you have xFinity it’s supposed to cap you at 800mbs instead of at 1000mbs which stinks since xFinity is one of the few major providers in the U.S.
Reviewed in the United States on July 28, 2024 by Carl