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Nighthawk Mid/high-Split Multi-Gig 2.5Gbps Cable Modem

MODEL:

CM3000100NAS

MPN:

CM3000-100NAS
5 out of 5 Customer Rating
Nighthawk Mid/high-Split Multi-Gig 2.5Gbps Cable Modem is rated 4.9 out of 5 by 176.
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About this Item

Netgear Nighthawk Mid/high-Split Multi-Gig 2.5Gbps Cable Modem (CM3000)

Features:

  • NEW: Specifically engineered for today's fastest cable internet speeds, this mid/high-split DOCSIS 3.1 cable modem delivers up to 2.5Gbps of download speeds and up to 1Gbps of upload speeds¡.
  • NEW: Access the latest internet speeds plans with this modem, such as Xfinity's 2Gbps download speeds and 200Mbps upload speeds. Not compatible with Xfinity Voice plans.
  • NEW: Faster download speeds1 powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times.
  • NEW: 10x faster upload speeds1 for seamless multi-family gaming, video conferencing, and uploading even the largest files - simultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
  • For the ultimate in performance, link NETGEAR's award-winning WiFi 6E or WiFi 7 router or Orbi system to the CM3000 cable modem.
  • Stay ahead of future internet speeds with our mid/high-split DOCSIS 3.1 cable modem for much higher performance levels
  • Save up to $300 a year in ISP rental fees by owning this high-performance modem2.
  • Connect for multi-gig internet speed by plugging your router's multi-gig Internet port directly into the modem's 2.5Gig port. Or connect the two Gigabit ports to a router with link aggregation for up to 2Gbps.
Netgear cable modem model CM3000100NAS, Nighthawk CM3000 features
Netgear cable modem model CM3000100NAS, 2.5 Gig port connects to router for mult-gig internet speed
Footnotes:

¡10Gbps is the maximum data transfer rate in the DOCSIS 3.1 standard. In practice, your Internet speeds will be less, as the transfer rate through the CM3000 Gigabit Ethernet port is limited to 2.5Gbps. The internet speeds may also be reduced by the volume of network traffic or your service plan. Maximum rate is derived from DOCSIS 3.1 specifications and actual throughput will vary depending on your internet subscription with your provider. Gigabit service plans & compatible cable modem required for Gigabit or Multi-Gig Internet speeds.

¡¡CM3000 is prepared for today and tomorrow with both mid/split and high/split technology. Mid-split technology is currently being offered by some ISPs in some regions. High/split technology may be offered by ISPs in the near future. Please check with your ISP regarding mid-split and high/split compatibility.

1Compared to DOCSIS 3.0 and Low-Split. Maximum rate is derived from DOCSIS 3.1 and Mid/High-Split specifications and actual throughput will vary depending on your Internet subscription with your provider.

2 Savings shown may vary by cable service providers.

* The internet speeds and actual throughput will vary depending on your internet subscription with your provider or volume of network traffic.

Type
Modem
Made for Gaming
Yes
Ports
1 x 2.5Gbps + 2 x 1Gbps
Dimensions
3.7(w) X 8.2(h) X 6.8(d)

Customers Say

AI-generated from the text of customer reviews

This modem delivers the kind of reliability that makes you forget it's even there - users regularly go weeks or months without needing to reboot, even during demanding activities like 4K streaming or video calls. The impressive speed capabilities shine through with real-world downloads exceeding 2 Gbps when paired with compatible plans, while the straightforward 15-minute setup process takes the stress out of installation. Its compact, well-ventilated design runs cool under pressure and fits easily into any space. While advanced users might wish for deeper diagnostic tools, the future-proof DOCSIS 3.1 technology and broad ISP compatibility make this a smart long-term investment that'll keep pace with faster service tiers for years to come.

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Rated 5 out of 5 by from Pleased No complaints. Modem's streamlined, works well. Same cannot be said for the Orbi router.
Date published: 2025-10-11
Rated 5 out of 5 by from Easy setup and less buffering The setup was easy and straightforward. I experienced less lagging and buffering since I upgraded my modem. My devices are experiencing better performance.
Date published: 2025-10-10
Rated 5 out of 5 by from No regrets at all This modem has allowed me to achieve my plans speeds of 2 gigs download and 250 upload. It was very easy to setup and coordinate through Xfinity.
Date published: 2025-10-07
Rated 5 out of 5 by from Works as expected [This review was collected as part of a promotion.] Netgear equipment doesn't disappoint and there is no exception here. The CM3000 was an upgrade from an older CM600.
Date published: 2025-10-06
Rated 5 out of 5 by from Works as expected Netgear equipment doesn't disappoint and there is no exception here. The CM3000 was an upgrade from an older CM600.
Date published: 2025-10-06
Rated 5 out of 5 by from Love this modem!! Awesome modem!! So fast and easy setup in seconds!!!! Highly recommended!!
Date published: 2025-09-26
Rated 5 out of 5 by from Solid Workhorse [This review was collected as part of a promotion.] Consistently performs throughout the days and nights, with all different types of workloads. The diagnostics are easy to read and make it simple to convey any discrepancies between what the SP claims and what you are actually receiving!
Date published: 2025-09-20
Rated 5 out of 5 by from Awesome Workhorse Consistently performs throughout the days and nights, with all different types of workloads. The diagnostics are easy to read and make it simple to convey any discrepancies between what the SP claims and what you are actually receiving!
Date published: 2025-09-20
Rated 5 out of 5 by from Easy Install Modem Great modem and easy to set up with the provided instructions.
Date published: 2025-09-19
Rated 5 out of 5 by from Great cable modem I upgraded to this from an Arris Surfboard modem and I'm getting 900 mbps yet my tech told me that wasn’t possible because he didn’t know wtf he was talking about. As usual. This modem also works easily with the Google mesh 6e on Cox Communications 1gbps plan.
Date published: 2025-09-17
Rated 5 out of 5 by from Very fast Modem installed easily and delivers very fast uploads/downloads.
Date published: 2025-09-16
Rated 5 out of 5 by from Awesome [This review was collected as part of a promotion.] best upgrade I ever did. my speed went thru the roof. happy gaming.
Date published: 2025-09-14
Rated 5 out of 5 by from Lightning Fast Excellent modem and perfect paired with Nighthawk RS600 WiFi7 Router. It’s nice to be up to speed in the 21st century. Now if can just get my local ISP to install fiber it would be the full package, coming soon… Thank you Netgear :).
Date published: 2025-09-12
Rated 5 out of 5 by from First class. First day running on the new router and it's blazing fast and smooth as silk. Had issues reconnecting security cameras but not the fault of the router which seems well made and built to last.
Date published: 2025-09-11
Rated 5 out of 5 by from NETGEAR Customer Satisfaction Survey A survey by NETGEAR to get a more accurate idea of how its customers feel about the products it manufactures.
Date published: 2025-09-11
Rated 5 out of 5 by from Easy to set up and install Required ISP assistant for registration after configuration. Took ISP longer to register then entire set up process.
Date published: 2025-09-06
Rated 5 out of 5 by from Netgear is my only choice!!! Netgear products are the best for home networks period. I'm a retired IT professional with over 40 years of work experience using their products for many years in my home
Date published: 2025-09-05
Rated 5 out of 5 by from CM 3000 ready for the future [This review was collected as part of a promotion.] I upgraded from a CM1000, and I'm using Gigabit service from Spectrum. Utilizing the 2.5GB port on the CM3000 I'm getting all of the 1GB the over-provisioning data I was losing with the previous modem. When Spectrum adds 2GB service in the future I'll be ready. Easy install.
Date published: 2025-09-05
Rated 5 out of 5 by from Easy to set up [This review was collected as part of a promotion.] Easy to set up but required figuring out how to speak to a person at Xfinity to activate!
Date published: 2025-09-02
Rated 5 out of 5 by from Clean, quiet, and reliable Super sleek modem that paired seamlessly with my Mac AirPort Extreme router! I especially love the non-intrusive lighting that won’t illuminate an entire wall just to let you know it is functioning correctly. Definitely worth the investment!
Date published: 2025-09-01
Rated 5 out of 5 by from Excellent Product This is an excellent product, very well made and engineered.
Date published: 2025-08-24
Rated 5 out of 5 by from Very good Finally a modem that works for high speed internet. We've been struggling to get the speeds we're supposed to have and this has really done well
Date published: 2025-08-17
Rated 5 out of 5 by from My New Nighthawk I have been using netgear models for years.. This new modem was easy to connect, plug in play, reliable and easy hook to wifi 7. Worth every penny
Date published: 2025-08-12
Rated 5 out of 5 by from Nice product Very nice modem. Paired with Orbi 970 is smoking fast. Easy set up.
Date published: 2025-08-11
Rated 5 out of 5 by from Great Cable Modem Had to upgrade my Motorola modem and found this new Netgear easy to install and activate. The slowest part was working with Xfinity to get it registered. Now working great!
Date published: 2025-08-02
Rated 5 out of 5 by from Back up and running We have 2 people who work from home and a gamer in the house, so when our modem died, we needed a new one working quickly. This modem arrived overnight and was super easy to install and get online. Our internet speed is noticeably faster too.
Date published: 2025-07-25
Rated 5 out of 5 by from Powerful [This review was collected as part of a promotion.] Very powerful modem that I can rely to het my work done
Date published: 2025-07-23
Rated 5 out of 5 by from Excellent I had zero problems. I had a fear of spending hours on the phone with comcast to activate the CM3000. But I didn't have to call them at all! By following the directions of Netgear and Comcast to the letter, activation was done in 15 minutes. My speeds have increased over my previous modem and it has been running flawlessly! I highly recommend this modem.
Date published: 2025-07-21
Rated 5 out of 5 by from Faster and more Reliable than Others I am glad I bought this product. Works like a Gem. Thank you Netgear
Date published: 2025-07-17
Rated 5 out of 5 by from Many years of reliable service I have had many years of reliable service with NETGEAR products and with my cm3000 modem and the RAXE300 router, am satisfied so far with the purchase and operation
Date published: 2025-07-09
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