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Netgear CM1000 DOCSIS 3.1 Ultra High Speed Gigabit Cable Modem

MODEL:

CM1000100NAS

MPN:

CM1000-100NAS
3.9 out of 5 Customer Rating
Netgear CM1000 DOCSIS 3.1 Ultra High Speed Gigabit Cable Modem is rated 4.6 out of 5 by 1352.
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Netgear CM1000 DOCSIS 3.1 Ultra High Speed Gigabit Cable Modem, , hires
Netgear CM1000 DOCSIS 3.1 Ultra High Speed Gigabit Cable Modem, , hires
Netgear CM1000 DOCSIS 3.1 Ultra High Speed Gigabit Cable Modem, , hires
$137.88 Price reduced from $199.99 to
Save $62.11 (31% Off)
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About this Item

Type
Modem
Speed
Up to 1Gbps
Ports
Ultra-High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 1 Gbps. It is the industry s first DOCSIS 3.1 CableLabs Certified cable modem, 10X faster than DOCSIS 3.0. Working with DOCSIS 3.0 and DOCSIS 3.1 cable Internet service providers, it is the ultra-high speed cable modem ready for today s service plans and future upgrades. Enjoy ultra HD video streaming over IP with 2x2 OFDM or 32x8 channel bonding giving you the fastest download.
Dimensions
5.4(w) X 8.8(h) X 5.9(d)
Shipping Weight
2 lbs

Customers Say

AI-generated from the text of customer reviews

This modem delivers the reliable, high-speed internet experience modern households need, consistently maintaining strong connections even with 15+ devices running simultaneously. Users find they can finally achieve their full subscribed speeds - often reaching near-gigabit levels - making everything from 4K streaming to video calls seamlessly smooth. The straightforward setup process takes most people just 15-30 minutes, and the well-ventilated design keeps things running cool during heavy use. While some units have faced reliability issues after the first year, most users enjoy stable, uninterrupted performance across major cable providers. The vertical, space-saving design and DOCSIS 3.1 technology make it a practical choice that's ready for future speed upgrades.

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Rated 5 out of 5 by from Seamless transition Well, the old one was working just fine and now so is the new one. Being on a fixed income I'm not a fan of forced upgrades that aren't in my budget but that's not Netgear's fault. Just a sign of the times.
Date published: 2025-12-04
Rated 5 out of 5 by from Great machine Easy to set up, basically turn it on,let your provider know model and away you go. Pair with mesh system and it's a perfect setup.
Date published: 2025-11-29
Rated 5 out of 5 by from Works well It works well. Was simple to set up with Xfinity as the ISP.
Date published: 2025-11-29
Rated 5 out of 5 by from Good Support (word filer) I had some difficulties getting the modem to work (due entirly to the cable company) and the support group was very helpful. Since installation the modem has worked perfectly.
Date published: 2025-11-23
Rated 5 out of 5 by from CM2500 review This CM2500 modem replaced my CM1100 modem. Setting it up was easy. It has worked flawlessly so far.
Date published: 2025-11-19
Rated 5 out of 5 by from Working well! The new DOCSIS 3.1 modem is a definite improvement over the 4 year old DOCSIS that I had. Easy to Set up. Much better for Zoom and YouTube streaming.
Date published: 2025-11-16
Rated 5 out of 5 by from Works Find for My Internet Needs I was appreciative that Netgear sent me an email letting me know it was time to update my router with a link to ensure I was getting the correct one that worked with Xfinity. Setup was easy and it’s working fine. Internet connection is good. No issues so far.
Date published: 2025-11-15
Rated 5 out of 5 by from It works well so far I had to buy another cable modem since my previous NETGEAR was no longer being supported. It cost a lot more than the previous one I bought, but I am satisfied.
Date published: 2025-11-02
Rated 5 out of 5 by from My new DOCSIS 3.1 cable modem (CM1000) I am a 71-year-old who is better at technical stuff than my husband, but was a bit concerned about adding this new modem to my former router. It was quite easy to set up and then when I contacted my Internet provider online via an app, it automatically connected my Wi-Fi. I was happy there were no glitches. My husband notices how fast the connection is compared to our former modem.
Date published: 2025-10-30
Rated 5 out of 5 by from CM1000 Cable Modem The modem was surprisingly easy and quick to set up and activate using the Xfinity app on my smart phone and the MAC address on the modem label. It took just a few minutes and has been working well.
Date published: 2025-10-30
Rated 5 out of 5 by from Netgear modem DOCSIS 3.1 Modem was easy to set up. The only stumbling block was that there should have been more emphasis on the fact that my internet provider needed to be informed that I have a new modem and my account needed to updated to reflect that fact. This was an arduous process because I had to resort to these dumb chat services. What was finally accomplished could have been accomplished in half the time or less if I could've actually TALKED to Xfinity support. Otherwise the modem it self runs effortlessly as did the previous Netgear modem.
Date published: 2025-10-29
Rated 5 out of 5 by from Easy replacement for old modem I purchased the modem after getting an end-of-life warning for my previous NETGEAR modem -- and a nice discount. It was literally a drop-in replacement. Moved the cables over, gave Xfinity 15 minutes to provision it, and I was back online I'm getting about 150mb/s more on speedtests with the new modem than I was with the old one.
Date published: 2025-10-26
Rated 5 out of 5 by from Great! Can't go wrong with this modem. Hooked up easy and worked right away. Seems to have good speed too.
Date published: 2025-10-23
Rated 5 out of 5 by from Docsis 3.1 cable modem Excellent modem got more clarity and faster i love. It
Date published: 2025-10-22
Rated 5 out of 5 by from Great Product Super fast speeds, quick and easy setup. So far has worked beautifully... I would recommend this product. Using with xfinity service
Date published: 2025-10-21
Rated 5 out of 5 by from DOCSIS® 3.1 Cable Modem (CM1000) It just works. I saw a noticeable increase in speed
Date published: 2025-10-19
Rated 5 out of 5 by from Fast and Easy Setup The Netgear CM1000v2 is very easy to set up. The instructions included with the product are clear and helpful. After providing the serial number and MAC address to my service provider, activation was quick and seamless. I ran a speed test afterward, and the results were impressively fast! I’m very happy with this cable modem — it’s reliable, fast, and a great value overall.
Date published: 2025-10-16
Rated 5 out of 5 by from Netgear Modem Recently updated my NETGEAR modem with speeds that allow all my new devices to operate efficiently.
Date published: 2025-09-15
Rated 5 out of 5 by from My Modem It works wonderfully! We have been trying to find a modem that would work on both 2G and 5G and this works fantastically!
Date published: 2025-09-11
Rated 5 out of 5 by from Love it, it meets all of my needs I love the system It works great! Wish I had it sooner.
Date published: 2025-09-03
Rated 5 out of 5 by from Needed a quick replacement, working good. We work from home, the old modem got sick so we pick this one up. Easy setup and good speeds both up and down.
Date published: 2025-08-24
Rated 5 out of 5 by from Great product! This modem is just wonderful. Internet moves like lightning now. My big regret is that I did not purchase this sooner!
Date published: 2025-08-24
Rated 5 out of 5 by from NETGEAR modem We needed to upgrade our modem as internet speeds are increasing. NETGEAR is perfect for us and our internet works perfectly throughout our home. I recommend this product.
Date published: 2025-08-13
Rated 5 out of 5 by from Very helpful and pleasant I bought an hooked up to the Netgear 13 equipment. Contacted my provider for their hook up. Waited for system to link , then verified with a call to Netgear for their account verification and all is good. I only did this per my provider to help in dropping the cost on my monthly billing from Asound broadband. Thanks
Date published: 2025-08-11
Rated 5 out of 5 by from Was easy to hook up Reception seems to work well in our home and the design of the modem box is very modern looking
Date published: 2025-08-08
Rated 5 out of 5 by from Works as intended Like the title says works as intended and only has never let me down
Date published: 2025-08-02
Rated 5 out of 5 by from Great refurbished modem I was looking for an affordable modem and took a chance on a used one. So far so good. Just like a new one!
Date published: 2025-06-12
Rated 5 out of 5 by from Netgear CM1000v2 I had an old modem and after replacing with the new one everything is quicker.
Date published: 2025-06-12
Rated 5 out of 5 by from Wi-Fi best Excellent quality top of the pops ……Here always the best
Date published: 2025-06-09
Rated 5 out of 5 by from Safe and secure Always reliable and easily configurable with ease of access.
Date published: 2025-05-22
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will this work with optimum

Asked by: oliver57
Yes I use this with optimum , This way to save money every month
Answered by: Bdubs
Date published: 2020-05-06

Does this include EMTA

Asked by: Grama Dorie
It does not. We do not carry modems with eMTA support.
Answered by: PCR Customer Service
Date published: 2018-10-16

Does this support optimum voice (telephone)?

Asked by: Spiro D
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