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NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1


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Purchase options and add-ons

Brand NETGEAR
Internet service provider Xfinity, Cox, Spectrum
Connectivity Technology Ethernet
Compatible Devices Router
Product Dimensions 9.92"L x 4.7"W x 8.7"H

About this item

  • Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT andT, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • Best for cable provider plans up to 2.5Gbps
  • Works with any WiFi router. Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
  • 1 x 2.5 Gig Ethernet port for the fastest, true multi-gig Internet connections
  • Engineered with DOCSIS 3.1, 32X8 channel bonding and OFDM(A) 2x2
  • Replaces your cable modem. Save up to $168/yr in equipment rental fees

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This item: NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1
$194.99
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NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1
NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1
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NETGEAR Cable Modem CM1000 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 1 Gigabit | DOCSIS 3.1, Black (CM1000-1AZNAS)
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Price-35% $194.99
List:$299.99
$149.99-33% $139.99
List:$209.99
$68.00-35% $162.99
List:$249.99
$199.99
Delivery
Get it as soon as Monday, Jul 29
Get it as soon as Monday, Jul 29
Get it as soon as Monday, Jul 29
Customer Ratings
Easy to install
4.3
3.5
4.4
4.2
4.0
4.4
WiFi signal
4.0
3.3
3.9
3.6
3.7
4.1
Tech Support
3.4
3.6
3.1
3.3
3.3
3.6
Value for money
3.6
3.6
4.3
Sold By
Amazon.com
Motorola Networking Renewed
Hitron Americas
Unalans Store US
Amazon.com
SupplierX
connectivity tech
Ethernet
Ethernet
Ethernet, Wi-Fi
Ethernet
Ethernet, Wi-Fi
ethernet ports
1
1
1
1
4
2
number of ports
1
1
1
4
data transfer rate
2.5 gigabits per second
3.8 gigabits per second
2.5 gigabits per second
300 megabits per second
800 megabits per second
300 megabits per second
max downstream rate
2500 megabits per second
680 megabits per second
2000 megabits per second
1 gigabits per second
max upstream rate
2.5 gigabits per second
3.8 gigabits per second
700 megabits per second
123 megabits per second
1000 megabits per second
modem type
dsl
cable
cable
cable
dsl
dsl

What's in the box

  • Nighthawk 2.5Gbps Internet Speed Cable Modem (CM2000), One (1) Ethernet cable, Quick install guide, Power adapter
  • Product guides and documents


    From the brand

    Product Description

    Experience a new generation of cable modems with DOCSIS 3.1 that delivers 2.5Gbps ultra-high speed Internet connections, so you can be ready for the fastest cable Internet service plans of today and tomorrow. DOCSIS 3.1 delivers the world’s fastest cable Internet with speeds that are 10 times faster than DOCSIS 3.0. Save up to $168 per year by eliminating monthly cable modem rental fees. The Nighthawk 2.5Gbps Internet Speed Cable Modem is backward compatible with DOCSIS 3.0 and works with all Internet service speed tiers.;The product is multiple voltage compatible, that voltage arrange is 100-240V.

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    Product information

    Technical Details

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    Additional Information

    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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    NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1


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    From the manufacturer

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    1

    Supports up to 2.5Gbps Speed with the Latest Generation DOCSIS 3.1 Technology

    DOCSIS 3.1’s 2x2 OFDM(A) channel bonding delivers the world’s fastest multi-gig Internet speeds, up to 10 times faster than first generation DOCSIS 3.0 technology.

    Simple Setup in a Few Easy Steps

    Step 1: Connect your coax cable into the modem.

    Step 2: Activate the modem by either:

    (a) connecting an Ethernet cable to your computer and following the on-screen setup, or

    (b) calling your cable provider to activate over the phone.

    Step 3: Plug an Ethernet cable between the modem and your WiFi router.

    Eliminate Monthly Modem Rental Fees

    Never pay costly modem rental fees ever again and save up to 168 dollars per year.

    CM1000 CM1100 CM1200 CM2000 CM2050V
    CM1000 CM1100 CM1200 CM2000 CM2050V
    Customer Reviews
    4.4 out of 5 stars
    3,917
    4.4 out of 5 stars
    3,917
    4.3 out of 5 stars
    5,930
    4.2 out of 5 stars
    3,301
    4.2 out of 5 stars
    3,301
    Cable Provider Compatibility All Major Cable Providers, incl. COX, Spectrum, Xfinity All Major Cable Providers, incl. COX, Spectrum, Xfinity All Major Cable Providers, incl. COX, Spectrum, Xfinity All Major Cable Providers, incl. COX, Spectrum, Xfinity Xfinity by Comcast
    Cable Internet Plan Speed Compatibility Up to 1Gbps Up to 2Gbps Up to 2Gbps Up to 2.5Gbps Up to 2.5Gbps
    Compatible Routers Any Router, Best with NETGEAR Router or Orbi Mesh system Any Router, Best with NETGEAR Router or Orbi Mesh system Any Router, Best with NETGEAR Router or Orbi Mesh system Any Router, Best with NETGEAR Router or Orbi Mesh system Any Router, Best with NETGEAR Router or Orbi Mesh system
    Gigabit Ethernet Ports 1 x 1G 2 x 1G (with multi-gig port aggregation) 4 X 1G (with multi-gig port aggregation) 1 x 2.5G 1 x 2.5G
    Telephone Voice Ports (Xfinity Only) 2 phone lines
    Modem Technology DOCSIS 3.1, 32x8 Channel Bonding, OFDM(A) 2x2, IPv6 DOCSIS 3.1, 32x8 Channel Bonding, OFDM(A) 2x2, IPv6 DOCSIS 3.1, 32x8 Channel Bonding, OFDM(A) 2x2, IPv6 DOCSIS 3.1, 32x8 Channel Bonding, OFDM(A) 2x2, IPv6 DOCSIS 3.1, 32x8 Channel Bonding, OFDM(A) 2x2, IPv6

    Customer reviews

    4.2 out of 5 stars
    4.2 out of 5
    3,301 global ratings

    Customers say

    Customers like the speed of the modem. They say it is a nice fast cable modem with telephone voice support. They are also happy with the ease of setup. However, some customers have reported issues with heating and durability. Customers also differ on quality, performance, connectivity, and value.

    AI-generated from the text of customer reviews

    180 customers mention "Ease of setup"171 positive9 negative

    Customers find the setup process of the modem to be very easy. They mention that the instructions are easy to understand, and the installation process was fast. Some customers also mention that they use the same model because of the ease of use and the high speeds they get from it.

    "...The Netgear modem setup was very straightforward as I already had the Xfinity app loaded on my phone from the previous installation...." Read more

    "...Configuration is pretty simple, you plug it in...." Read more

    "...Boosted signal right from the jump. installation was a breeze. I don't have any complaints right now. will update if something comes up...." Read more

    "...It’s simple to set up, one connection for coax, one Ethernet connection for WAN to router, and a power supply...." Read more

    174 customers mention "Speed"129 positive45 negative

    Customers like the speed of the modem. They say it has superior speed compared to their previous modem, it gives them very fast WiFi with great range, and it works well with high download speeds. Some say it never lags and the ethernet ports are lightning fast. Overall, most are satisfied with the outstanding performance of the product.

    "...should resolve your intermittent connectivity issues and provide you with fast speeds, but your modem may not achieve the full upstream speeds..." Read more

    "...I quickly noticed a increase in both my speed and performance while using this unit...." Read more

    "...between the CM2050V and the Eero 7 Max are coming up at 1.42Gbps—blazing fast and a good 400-500Mbps more than I was getting with the Comcast..." Read more

    "...Download speed varies as expected during the course of the day/night, but it usually exceeds the fastest speeds I got from the Motorola...." Read more

    279 customers mention "Performance"155 positive124 negative

    Customers are mixed about the performance of the modem. Some mention that it works well, while others say that it failed to work. Some customers also report issues with the multi-gigabit function and tcpv6 support.

    "...Still working flawlessly with no slowdowns or disconnects from the Comcast account." Read more

    "...Only three of them are working now (just lost more yesterday). A bit surprising given the cost and brand...." Read more

    "...The product has worked well for what I need. I haven't noticed a decrease in performance over the old Xfinity modem/router/WiFi combo...." Read more

    "This device was set up and working perfectly in 15 minutes--but it is very important to know how to best do it, which I discovered from various..." Read more

    120 customers mention "Connectivity"68 positive52 negative

    Customers are mixed about the connectivity of the modem. Some mention that it has a solid connection, is stable, and reliable. However, others say that it loses its connection and causes intermittent connectivity issues. Some customers also report that the mode doesn't connect to their router.

    "significantly better than the provided internet modem. Boosted signal right from the jump. installation was a breeze...." Read more

    "...to increase in number over the year until recently it was dropping off several times a day...." Read more

    "...: I get the full 1.2 gps from Comcast/Xfinity, the link has been stable without losing sync at full speed, and Comcast Voice (telephone) works fine...." Read more

    "...We've noticed intermittent connectivity issues with your internet service and have identified the cause to be a defect with your NETGEAR CM2050V..." Read more

    99 customers mention "Quality"33 positive66 negative

    Customers are mixed about the quality of the modem. Some mention it's an excellent modem with a great Wi-Fi signal, and powerful. Others say it'll reduce their internet speed if it're defective.

    "...I guess it's a production quality issue that is hopefully limited just to the LEDs. Only three of them are working now (just lost more yesterday)...." Read more

    "This Netgear Nighthawk CM2000 cable internet modem is pure awesome...." Read more

    "...The price was just too much to pay for this poor quality modem. I don't recommend purchasing this particular model" Read more

    "...Considered the price paid, I’m not happy with the quality. Now, I don’t have indicators to know if the modem is working properly...." Read more

    65 customers mention "Value"27 positive38 negative

    Customers are mixed about the value of the modem. Some mention it's well worth the money, reasonable price, and saves a little money. However, others say that it'll be a tad overexpensive, not worth the price, or that Netgear cheaped out on components.

    "...So here I am with wasted time, wasted money, and a $300 box that can't even put out a wireless signal on its own...." Read more

    "...decided on the CM2050V because it checked all the boxes at a reasonable price. Fortunately it was on sale when I made my final decision...." Read more

    "...This is an expensive modem but Netgear only warrants it for 90 days without having to pay for the extended warranty...." Read more

    "...The price was fair - I did have a bit of trouble pairing it to the internet in my house because the Netgear app on my Iphone wouldn't update and I..." Read more

    70 customers mention "Heating"0 positive70 negative

    Customers are dissatisfied with the heating of the modem. They mention that the lights on the front blink rapidly and that the mode is dead.

    "...All lights blinking. No solution without paying NetGear to troubleshoot...." Read more

    "...It was working fine for about a year then suddenly the lights started flickering (all of them) Now the speed doesn't get above 935mps...." Read more

    "...The power indicator light went out first...." Read more

    "...about this modem and my Xfinity account: The downstream light flashes rather than staying solid...." Read more

    48 customers mention "Durability"0 positive48 negative

    Customers are dissatisfied with the durability of the modem. They mention that it broke after a year, was not repairable, and was destroyed. Some say that the box was torn and taped across one end with green masking tape.

    "...On top of that it frequently 'crashed' I believe as all of a sudden I lost my internet connection. It just happened today...." Read more

    "$300 router and it broke after a year...." Read more

    "...Arrived broken. Cannot vouch for function as it does not. Downstream, internet, and multi gig light blink rapidly and nothing happens...." Read more

    "this modem worked really well for about 105 days. Warranty is only good for 90 days. Now what. Tech support is very rude and not helpful...." Read more

    Perfect Match with the Nighthawk BE19000
    5 out of 5 stars
    Perfect Match with the Nighthawk BE19000
    This Netgear Nighthawk CM2000 cable internet modem is pure awesome. I quickly noticed a increase in both my speed and performance while using this unit. It's so very many light years above the Arris Surfboard S33 that I last had that it will never be funny again. The best perfect match for this unit that I have come across as you all see in photo is the Nighthawk BE19000 router, future proofing my purchase with Wifi 7. I am paying for internet speed of 1gbps, with that said, looking at the photo again you can see that I am getting every bit of my money worth and then some. Another thing that I like about the CM2000 is that it doesn't get hot like my Surfboard S33 was until it played out. The two Nighthawks look so beautiful together. With this setup came another change, that change was my eithernet cables, going from using the round ones to the flat. Awesome outcome. Like the old saying goes, you get what you pay for. I pulled out and these two devices with the flat cables put out. Giving me every single drop that I am paying for and you can not get better than that. And this is also why I never ever except gear from those I am buying my service from. You'll never get all that you are paying for, and one other thing, I never ever buy a modem that doubles as a router to.... this is never the way to go. For the best performance, these things were made to join forces and become that mighty force. And that's exactly what I have here now. The best part is yet to come and that's when Wifi 7 is in place, I'll already be ready for it with the BE19000 and the CM2000 having it's back. For those that's down playing these products, it's strictly because of something that "YOU" have going on, not because of these products. My first two routers were Netgear, so it's more than safe to say that I have only come back home. They are handling every single thing I am throwing at them. I recall the days when the play store would load when I open it, with these devices paired together, opening the play store now a days it's like it never went anywhere or was never closed. Now I don't see the word "Downloading", I see installing. If anything happens to this setup, I'm going to first cry and then re-buy.
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    Top reviews from the United States

    Reviewed in the United States on January 17, 2023
    Style: ModemVerified Purchase
    I upgraded to a Motorola MB8611 modem and a new ASUS router in 2021 to fully utilize the speed in my Xfinity plan. I had occasional, brief disconnects from the internet early on. However, these disconnects continued to increase in number over the year until recently it was dropping off several times a day. After checking cables, connection to Comcast, modem resets, etc., I decided to switch out the modem. I had considered the Netgear CM2000 (up to 2.5 gigabits) modem initially but went with the less expensive Motorola since I had used Motorola modems in the past without problems.

    The Netgear modem setup was very straightforward as I already had the Xfinity app loaded on my phone from the previous installation. Activation via the Xfinity app took only a couple of minutes and a couple more minutes for the modem to restart. Worked with my router without any issues as soon as I plugged it into that device.

    Download speed varies as expected during the course of the day/night, but it usually exceeds the fastest speeds I got from the Motorola. It’s been over a week and, so far, no disconnects! Keeping my fingers crossed…

    Added note: I usually decline the Amazon protection plans, but I did add them to the earlier order. Making the claim on the old modem was very simple and quick. I did wait until after the holidays and delivery delays were over to return the old modem, using the prepaid label Asurion had sent me. I was credited with a refund for the full price that I paid for the modem (excluding tax) via an Amazon gift card within just a few hours of dropping the box off at the UPS store.

    Update 12/10/2023. It's been about a year since I bought and installed the NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000). Still working flawlessly with no slowdowns or disconnects from the Comcast account.
    44 people found this helpful
    Report
    Reviewed in the United States on December 22, 2023
    Style: Modem for Xfinity VoiceVerified Purchase
    Let's all remember, this is a modem. It's not a router. For me, that's good as I have a router/firewall device on the other side. Because it's a modem, its sole job is to pass through the single DHCP address from Xfinity. Configuration is pretty simple, you plug it in. From there you have to hook up a laptop/desktop to it to get into its local config so you can get the MAC to send to Xfinity, then that's pretty much it.

    A few gotchas though. I have multiple VLANs setup in different rooms and I put this on a VLAN from the switch. It did not like that. It couldn't pass the IP address back to my firewall/router. I didn't spend too much time troubleshooting it, rather I just added a coaxial wire to the room where my firewall is located (which has a service panel close to the coaxial main).

    The product has worked well for what I need. I haven't noticed a decrease in performance over the old Xfinity modem/router/WiFi combo. I bought this because my Xfinity device died, and I have my own WiFi (Orbi), and I also have a complex 2 ISP configuration, which cannot be easily managed with the Xfinity router. The dumb modem allows me to solve most of my problems.

    I did run into one issue, not with the modem, with the service. Xfinity actually charges you more for using your own hardware than renting theirs. It's unfortunate. The device is great and I will pay the extra $5 per month (instead of saving $14 as expected). When they reconfigured the plan I went from 80mbps up to 40mbps up. This isn't the device, because I was getting great upload speeds before having them change the plan to include the customer-owned hardware. They said it was the hardware, but the hardware ran fine for a week. It turns out they throttled it and you have to call them and argue through it with them. This is important information because it's not the device, it's the service levels on their side, so if you see things that don't look correct after it's set up and verified, then it's probably on their side.
    27 people found this helpful
    Report
    Reviewed in the United States on July 9, 2023
    Style: Modem for Xfinity VoiceVerified Purchase
    This device was set up and working perfectly in 15 minutes--but it is very important to know how to best do it, which I discovered from various online forums. It is designed to work with Xfinity, and is more expensive because it has phone ports, which were important to us. If they are not important to you, buy a cheaper model. Now for the set-up. The most important point in setting it up is to NOT deal with any verbal phone tech support, and it will become clear why. Xfinity's own website describes how to use the mobile phone app for setup--use it. Once you have downloaded the phone app and signed in to it, it allows Xfinity to identify you and know where your service is immediately. In the app, go to Account, Add new device, Your own--and follow the directions. The only input required of you is for the CM MAC number which is on the bottom of the unit. They do not need or want the MTA MAC number--forget about it. It took 8 minutes for their system to identify the device, and about another 6-7 minutes to set it up. That was all, and everything, phone line included, worked perfectly with my correct phone number. Given my previous interactions with Xfinity, I was amazed at how seamlessly this worked. They have gotten their act together--almost. Here's the hooker. I went on the the Xfinity website, and it had immediately identified that I now had my own modem. But I also wanted to call Xfinity to confirm that the old modem/router would be taken off my bill once I returned it--big mistake. Their automated phone tree started off by saying that it had detected a problem with my modem and wanted permission to reset it!!! I shouted no, no ,no and hung up. What I suspect is going on is that the Xfinity answering system and probably any employee you would talk to is operating off a legacy system which does not update immediately, like your account website and whatever infrastructure uses the mobile phone app to set up new equipment. The bottom line is to use the new mobile phone app for any setup and NOT, under any circumstances call for any tech support, verbal or automated, because they are not immediately in touch with the new setup infrastructure. I hope his helps any subsequent customers. With the new setup system, the device worked immediately and flawlessly.
    96 people found this helpful
    Report