NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps
Condition: New
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- – 6-month term
- – No impact on credit
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
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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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 2 left in stock, order soon!
Arrives
Wednesday, Mar 18
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Style: (NEW) 2.5Gbps
Features
- Mid/high-split DOCSIS 3.1 cable modem delivers up to 2.5Gbps of download speeds and 1Gbps of upload speeds, works with your existing WiFi Router (separate unit)
- Specifically engineered for todays fastest DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinitys 2Gbps download speeds and 200Mbps upload speeds. Works with all major US internet providers
- Blazing-fast download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
- Impressive 10x faster upload speeds delivers seamless multi-family gaming, video conferencing and uploading large filessimultaneously. Plus provides easy remote access to your home security cameras and NAS files
- For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system (separate existing product) to this CM3000 cable modem
- Be ready for future Internet speeds with much higher performance levels
- Save up to dollar 300 a year in ISP rental fees by owning this high-performance modem
- Connect for multi-gig Internet speed by plugging your routers multi-gig Internet port directly into the modems 2.5Gig port. Or connect the two Gigabit ports to a router with link aggregation for up to 2Gbps
- Made for use in the U.S. only
Description
Upgrade to faster speeds with the revolutionary DOCSIS® 3.1 mid/high-split cable modem from NETGEAR. The Nighthawk® CM3000 cable modem is specifically engineered to handle today’s fastest DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinity’s 2Gbps Internet download speeds and 200Mbps upload speeds. Your entire family can enjoy faster download speeds up to 2.5Gbps and unprecedented upload speeds up to 1Gbps for lag-free gaming, crisp video conferencing, smoother music and video streaming, and instant app downloads. And to push your Nighthawk’s performance even further, you can simply pair the CM3000 with a NETGEAR WiFi 6E or WiFi7 router or with our amazing Orbi system. The Nighthawk CM3000 works seamlessly with every major U.S. cable service provider.
Brand: NETGEAR
Internet service provider: Xfinity, Spectrum, Cox
Connectivity Technology: Ethernet
Compatible Devices: Personal Computer, Router, Laptop
Product Dimensions: 9.21"L x 8.74"W x 4.8"H
Brand: NETGEAR
Item model number: CM3000-1AZNAS
Item Weight: 2.45 pounds
Product Dimensions: 9.21 x 8.74 x 4.8 inches
Item Dimensions LxWxH: 9.21 x 8.74 x 4.8 inches
Color: Black
Manufacturer: NETGEAR
Date First Available: November 4, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Mar 18
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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Style: (Discontinued) 2.5Gbps
The ISP (which will remain nameless), that I rented my Internet gateway from did not adhere to sound security protocol. I myself, as a cybersecurity professional with more than 10 years experience, am naturally paranoid about weak passwords. This particular ISP limits the variety of keyboard characters allowed for cable modem management passwords, making them easier to crack! In fact, on a few occasions, my passwords were changed without my consent. From that point forward I decided to buy my own cable modem that would allow me to choose the access passwords without character limitations. Now that it is up and running I am beyond happy. My desired security posture is now a reality, and my internet finally achieves 1gb downloads, better than the ISP's cable modem that was supposed to do the same thing. My network is tight security wise, and this Netgear Nighthawk CM2000 helped me realize that. Finally, I had to overcome one technical issue that I thought was generated by the CM2000. After registering my cable modem with Netgear, called tech support. Best dang support I've dealt with in a long time! From one geek to another, we were able to speak the same tech-ease and I learned more about my new CM2000 and the DOCSIS standard than I knew before the call. Found out that the CM2000 was not the culprit, so I called the ISP to handle it, problem resolved. The one setback for Netgear that I thought was serious enough to mention is that as far as firmware upgrades there seems to be tit-for-tat between Netgear and this particular ISP. Either group seems to point the finger at the other when it comes to whose responsibility it is to push out firmware upgrades. I hope, for customers' sake, that these two outfits work out their differences on this. Heavens forbid that there is a security vulnerability that requires a firmware upgrade! I shiver to think about that outcome. Other than that, I am very happy with my purchase. UPDATE (6/2025) It's been a few years since I pinned the above review of the CM2000. Now it's time for an upgrade from the CM2000 to the CM3000. This is what I've learned: The CM2000 performed honorably for the most part. However over time the status LED lights began to shut off one after the other. Today the only one that is still operational is the Online LED. I understand that there are others who've experienced the same malfunctioning LED issues as well. Other than that I am pleased with its performance, so much so that I am considering purchasing it's more mature cousin, the CM3000. The one BIG issue I have with this consumer-class cable modem is what seems to be the unwillingness of its manufacturer Netgear & my cable service provider Xfinity/Comcast to agree on WHO WILL PROVIDE THE FIRMWARE UPGRADES! This was the 800lb gorilla that otherwise would make the experience with this product a 9/10! Just as with the CM2000, Netgear advises users to access their cable service provider for the firmware upgrade for the CM3000. With both devices Xfinity does not have documentation on its website which gives instructions on upgrading the Nighthawk CM model firmware: https://www.xfinity.com/search?q=Netgear%20cm2000 . Similarly, Netgear support encourages users to contact their ISP for upgrades: https://kb.netgear.com/000036375/What-is-the-latest-firmware-version-of-my-NETGEAR-cable-modem-or-modem-router . Either way, if there is a need for a future firmware update anyone purchasing this item will risk ending up with an expensive paper weight if both the manufacturer and the ISP refuse to come together and resolve the issue. For this reason I am exploring other cable modem options, ones where firmware updates are available for ISP-approved devices.
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Reviewed in the United States on May 8, 2023 by BP
Style: (NEW) 2.5Gbps
I looked at other reviews before I chose this one, I got it hooked up and called my ISP. It’s working and blazing fast 2.05 G checked on Ookla speed checker. Instruction manual easy to follow and if you need help with issues related to the cable modem they have phone support. Like I said signal strength is great as well as size and value
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Reviewed in the United States on March 4, 2026 by Robert S
Style: (NEW) 2.5Gbps
Purchased this during Black Friday 2025 and it stopped working entirely on January 21st, 2026, less than 2 months later (only the bottom 2 lights would display when plugged in, not even the power LED, and absolutely no internet pass-through). Tested internet with a backup modem/router and combo which worked fine, so it was definitely the modem. Jumped on the phone with NETGEAR support after exhausting all usual troubleshooting procedures and, after trying to do a "shock reset" (to no avail), they determined it was a hardware issue and issued a case number. They "graciously" offered to send me a label to send it in, let their technicians investigate, which upon verifying the NETGEAR team would send a new modem (2-3 weeks at minimum). But hold on, they mentioned there are two more options! If you don't want to wait, they'll send you a replacement FIRST and you can send yours back in the box for only $17! Or, if it's very urgent to have internet, they'll do the same thing but with express shipping for triple the cost! It was truly a unique customer service experience, whereby they were so unembarrassed & disconnected from the fact their $300 product was a total failure that they honestly think trying to pressure you in to paying anything to simply rectify their own shortcomings. It wasn't until I pointed out that the holiday return window was still open that they became less confident about pressuring me into their scam. That being said, I'd recommend just going with the CODA56 or S33 (also a 3.1 next gen) and urge anyone reading to skip this sleek-looking heap of garbage. The company won't care when it breaks and should be investigated for fraud considering my experience (conveniently dies right after warranty/return window expires) matches so many others in these reviews. This was my first time in over a decade taking a chance on NETGEAR and will be the last time I do so,
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Reviewed in the United States on January 23, 2026 by R
Style: (NEW) 2.5Gbps
Fast!! With this and the router!! Super fast!!
Reviewed in the United States on February 23, 2026 by Ken
Style: (NEW) 2.5Gbps
I haven’t had this modem for long, but it seems to be working well. Installation was a breeze - unplugged everything from the old modem, plugged everything in the new modem, called my Internet provider to give them the MAC address, and 15 minutes later, everything was up. Make sure that you inspect the contents carefully though. I was sent a used unit initially, but Amazon did a great job with sending out a new one. So far, I haven’t had any glitches, frozen videos, or issues with games.
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Reviewed in the United States on February 26, 2026 by Marrracco Jones