Netgear ac1900 xfinity

Netgear ac1900 xfinity DEFAULT

NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo Certified for Xfinity from Comcast, Spectrum, Cox, & more (C7000)

Pros: - Easy to activate with Xfinity.. - The dual core processor handles my speeds and networking demands with ease. - No latency spikes - Not vulnerable to Cable Haunt (to the best of my knowledge)

Cons: - Upstream light flashes continuously because Comcast/Xfinity only provides 5 upstream channels where I live. - Drops upstream channels. - Downstream channels might not be enough depending on your plan. - Slower than the Comcast XB6 - Requires physical reboot during activation

Overall Review: The Netgear C7000v2 is a device I purchased out of need, rather than want. However, it handles my connection speed without problems, and is not vulnerable to the Cable Haunt vulnerability. However, it has it's share of firmware bugs... including one that has the upstream light flashing continuously because my ISP (Comcast) only provides 5 upstream channels in my area. This makes it impossible to use the lights for troubleshooting. Another firmware bug requires a physical reboot (physical reboot meaning unplugging it) during activation. UPDATE 6/19/2020: The modem has dropped two upstream channels (status went from locked to not locked). My line and node has been verified to be within spec by an xFinity technician. If I had a choice, I would choose a different modem+router combo, but I am looking towards Gig speeds in the near future. For most people, this is more than enough and will serve and protect them well. Hence, four stars.(Three stars now that it's started to drop channels)


Replacing Xfinity cable modem.


Xfinity is a brand of Comcast Cable Communications that offers cable television, internet, telephone, and wireless services to residential areas nationwide. As the largest provider of cable internet access in the US, Xfinity/Comcast has over 26.5 million internet customers in 40 states.

Xfinity’s wide offering of services and Internet speed tiers allows you to pick and choose the service that best fits your needs. From Internet-only service to their packaged bundles – Xfinity Double Play, Triple Play & Quad Play – there isn’t a shortage of options. For more information about Xfinity’s bundles and deals or to see if Xfinity is available in your area, click here.

To learn more about Xfinity, please click here.

How do I replace my Xfinity Cable Modem?

If you choose to save money on rental fees by using your own Cable Modem or Cable Modem Router with Xfinity, you will first need to determine if the equipment you are planning to use is approved and compatible with Xfinity, as well as identify approved retail devices.

Is my Cable Modem compatible with Xfinity?

To determine if you are able to use your equipment with Xfinity, click here.

How do I activate and install my Cable Modem with Xfinity?

Once it has been determined that your Cable Modem of choice is compatible with Xfinity’s Internet Service, you can proceed with activating and installing your approved equipment. While the steps outlined in Xfinity’s installation guide apply to approved third-party equipment, you will also want to refer to the guide of your manufacturer.

To activate your own Cable Modem, click here.

Recommended Cable Modems for Xfinity

Regardless of which speed tier you end up choosing with your Xfinity service, NETGEAR has a Cable Modem or Gateway option for you. Our Cable Modems are designed to provide you with better overall speeds, quality equipment, and best of all, money saved from monthly ISP equipment rental fees! Below is a chart of Xfinity-compatible Cable Modems and Cable Modem routers from NETGEAR, designed to make sure you get the most out of your Internet service.

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2-in-1s are almost always great – you’ve got less stuff to worry about, they usually cost less and offer more functionality. Well, 2-in-1s are exactly what we are going to be talking about today, answering the question – “What is the best modem router combo for Comcast?”.

Modem Router combo is what it sounds like. The modem part allows you to connect to your ISP (Comcast, in our case) while the in-built router disperses the internet connection to your different devices. That’s the gist of it. Actually of it really. Now, to the question of the hour – best modem router combo for Comcast?

In a hurry? Check out our recommendations below: 

Instead, of just giving you the “best” (best is relative), we wanted to give you some options (and comparisons). 

So, here the FIVE best modem router combos for Comcast Xfinity! 

It’s sleek, it’s fast, and it’s the best bang out of buck – it’s the MOTOROLA MG7550.

Motorola modems have been on our list of top Docsis 3.1, in fact, through our testing, we found that the MOTOROLA MB8600 was the best Docsis 3.1 modem for your money. Seems like Motorola has taken another victory home, only this time it’s the in the category of best modem router combo for Comcast Xfinity. 

Let’s look at the first thing you’ll notice with this modem: the looks. Honestly, I don’t see how anyone could look at this sleek modem and go “this ugly” because it’s a great looking modem that will sit in a corner quietly and do its job. But looks are subjective. But functionality isn’t and in that department, the MG7550 rocks 7 LED indicators on the front panel so you check the status of your modem/router with just a glance.

On the back, you’ve got four Gigabit Ethernet connections, ethernet outputs, the coaxial connection, a reset button, and a button to turn on/off the WLAN. Most of it is color-coded to make life easier.

But all of this stuff is more or less standard at this price point. What makes the MOTOROLA MG7550 stand out?

The value proposition: At nearly half the cost of some of the other modem router combos for Comcast on this list, The Motorola MG7550 offers some incredible value. 

Build quality: Motorola modems and routers are known for their splendid quality, the MG7550 is not an exception.

Chipset: The MG7550 sports the Broadcom BCM33843G chipset which is a better and more reliable alternative to the Puma 6 chipset, seen frequently in router/modem combos.

Easy set up: The 7 LEDs upfront and the color-coded ports make installation quite a breeze.

And here’s where it’s lacking:

Comcast Voice: While the MG7550 is approved to work with Comcast Xfinity, it will not support Comcast Voice

Relative Speeds: The MG7550 is a bit slower than some of the other modems/routers in the list, though, for the price you’re it’s still pretty good.

USB Port: The color-coded rear of the MG7550, unfortunately, does not have a USB port.

If I’ve done the math correctly, the pros of the should outweigh the cons of the MG7550.

Overall, it’s a great little machine and we can whole-heartedly recommend it.

Editor’s note: We wanted to make this list as versatile as possible which meant we couldn’t add some of the more expensive Motorola modem/router combos but if you’re willing to stretch your budget a little, the MOTOROLA MT7711 is a newer and better version of the MG7550.

Check out my detailed review of the MG7550 here for more info.

The perforated brushed aluminum faceplate is sleek and oozes a premium feel… as it should – the C7100V is the most expensive router/combo on the list, but are you paying all of that dough just for looks or does this Netgear machine packs a punch? Spoiler alert – it does.

Lots of features: 24 downstream channels, 8 upstream channels, speeds of up to 960 megabits per second, Comcast Voice, one of the best routers available in any router/modem combo with total output of 1900 Mbps, and a reliable chipset – yes, lots of cool new tech packed into this clean metal box, but there’s more.

Easy installation: Unlike the Motorola which is compatible with the likes of Comcast, Charter Spectrum, Time Warner and Cox, the C7100V is only compatible with Comcast, which means you do not have to call your ISP for activation, instead, you only need to plug this router/modem combo in and log in with your account. So an easy installation but limited to Comcast.

Incredible WiFi Router: Despite touting some great features, the real star is undoubtedly the WiFi router packed inside this combo. The router is comparable to one of the Netgear’s Nighthawk standalone routers which are the company’s flagship line. One feature that you’ll get only in this and the C7000 is the beamforming+ feature that focuses the signal only to your devices, instead of just throwing beams of data in all directions. This increases the range and signal strength of your WiFi connection.

Any Cons? Though a bit pricey, the amazing router combined with the great performance of the C7100V makes it a worthy purchase if you’re in need of all of these features. Thanks to its powerful hardware, we not only see the C7100V as a contender for the best modem router combo for Comcast but for the best standalone routers for Comcast out there.

Many of us (including myself) love getting great deals on the last generation’s flagship models, whether it’s smartphones, laptops, or cameras. But how well does the last-gen one of the best flagships stack up against the current-gen

Good Ol’ Features: Many of the features seen in the newer and better C7100V were already present in the C7000. For instance, you’re still getting beamforming+ for better range and signal strength. You’re getting Netgear ReadyShare USB which allows you to backup photos from your phone to your WiFi router and into this USB, you can also store and view video and music files. Another similarity is the 24×8 bonding which means less network congestion (you won’t have to fight with your neighbors for signal).

Mixed Feelings: Despite having some great features, there is one thing that bothers me, the chipset. The PUMA 6 offers high speeds but has been reported for having issues and being unreliable. Although, not everyone has had these issues and you’re unlikely to care about the processor if you’re buying it for basic day-to-day use.

If you’re looking to get all Netgear’s flagship features on a budget, you’re not going to get anything better than this.

3-in-1 on a Budget: The Arris SVG2482AC is the only other modem router combo for Comcast in this list that supports “Comcast Voice”, which means it not only has a modem and a WiFi router, but also an Xfinity telephony modem. So if Comcast Voice is a must-have for you and you’re on a budget – the work is already cut out for you.

Let’s talk features: Inside there is an AC1750 (802.11ac) Wi-Fi router that allows a theoretical top speed of 1750 Mbps – a bit slower than the Netgear models but fast nonetheless. In the modem department, you get a similar Docsis 3.0 modem with 24 downstream channels and 8 upstream channels so less network congestion.

Puma 6 Again: Since the PUMA 6 was the only popular chipset available at the release of many of these modem/router combos, most them have it (the Broadcom chip came later). So you still might face lower than advertised speeds and reliability issues if you’re gaming. But unless you’re looking at newer modem/router combos, expect to see the PUMA 6 again.

The Arris SVG2482AC is another great budget buy with the same chipset issue has many others in this category. It shares many features with a more expensive modem/router combo and has one extra thing going for it – RDK-B technology. It’s a simple open-source platform that allows ISPs to provide better support, updates, and new services to existing modems/routers.

Here’s a scenario: You’ve been using the modem and router provided by your ISP for years and have just done the math and realized that you’re actually paying more for renting all that equipment. And it’s also quite bad. You’re a simple home user with simple browsing and streaming needs. What do you get? Well, you can get any of the modems listed here but if you were on a really tight budget?

Then you get the ARRIS SURFboard SBG6900AC.

While it may not have all the bells and whistles of the Netgear C7100V or the Motorola MG7550, it packs enough juice to give you a smooth internet experience – and a faster experience as well (relative to your rented equipment).

It’s completely supported by Comcast, offers download speeds up to 686 Mbps, and WiFi speeds up to 1600 Mbps, and you can often find it under a $100!

Should You Buy Your Modem Separately?

Most experts would almost always recommend buying a modem and a router separately. Their reasoning? Separate modems are routers that can get faster firmware updates, have better performance, and more features. But not all of that matters to everyone.

Here’s what you, specifically, should do:


  • Money isn’t an issue
  • Performance is the top priority 
  • You’re ready to handle two devices for your internet and all the hassles that come with it.
  • Are okay with a relatively harder setup
  • You want to replace one part in the future


  • Money is an issue
  • You just want decent internet 
  • You’d much rather have just one product to worry about.
  • You want something easier to set up
  • You need some of Comcast features that are available only on select router/modem combos.
  • You’re willing to drop serious cash, in which case, buy a top of the line modem router combo for Comcast to get all of the performance of a separate modem and router but with fewer hassles.

At the end of the day, the only things that matter are what you’re going to use your internet for and how flexible you are.

Fancy Faster Speeds? Take A Look At The Docsis 3.1 Modems Compatible with Comcast Xfinity Instead

There are a lot of reasons you would want to choose a modem/router combo over a separate modem and router, but if it’s just pure performance and speed that you’re looking for, you would much rather have a DOCSIS 3.1 modem that’s compatible with Comcast Xfinity instead. So here are 3 DOCSIS 3.1 Modems Compatible with Comcast Xfinity

  1. MOTOROLA MB8600: Out of all the modems we tested, we found that the Motorola MB8600 bested all. It’s got a great price, premium build quality, tons of features, and of course, it’s compatible with Comcast Xfinity!
  2. ARRIS SB8200: Nearly identical to the MB8600, the ARRIS SB8200 offers amazing value-for-money, comes from an expert brand, and even trumps the other two in certain departments. If you’re fine with unassuming looks, this might be the one for you.
  3. NETGEAR CM1100: You can’t go wrong with the Netgear CM1100 – it’s the upgraded version of the already successful CM1000. It’s also got another thing going for it – its looks.

Related: Easiest Way to Understand DOCSIS 3.1: Do You Need to Upgrade?

Don’t despair if you absolutely wanted a modem router combo for Comcast Xfinity and also has the blazing fast DOCSIS 3.1 speeds, because we’ve got something that ticks all those boxes as well!

NETGEAR C7800: For nearly double the price of some other router/modem combos, you’re getting more than double the speed – 3.2Ghz! It’s also jam-packed with features like 4-ethernet ports, 2 USB ports, OFDM technology to reduce the network delay, and more!

ARRIS SBG8300: It’s newer, cheaper, and just as fast. It’s also got 4-gigabit ports like the C7800 but you’re missing out on USB ports and also getting speeds a bit slower – 2.3Ghz instead of 3.2Ghz. If you think the money savings are worth it – go for it, it’s a great modem/router with a lot of cool techs.

Related: Check out our detailed review and comparison of all these modems and combos!

Conclusion: Ditch Your Rented Modem and get a Modem Router Combo for Comcast

If you have the money, then, by‌ ‌all‌ ‌means, why not get the most expensive modem router combo for Comcast on this list, it’s got all the right features with little to no downsides. However, if you’re on a budget and only want to save some hard-earned cash by getting rid of that rented modem, then any one of the router/modem combos listed in the list will serve you very well.

The main thing is to ditch that pesky little modem sent to you by our beloved Comcast and get something that’s half-decent – while also saving some cash!

How To setup NETGEAR WiFi Range Extender AC1900 - Netgear Install with WPS - Easy \u0026 Fun
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If you are subscribed to Xfinity internet and you are looking to set up your Netgear Nighthawk with Xfinity internet, you have come to the right place.

Despite Xfinity’s prevalence across the USA, their modem-router (even the voice modem), called xFi, has failed to impress many including me.

Thankfully for me (and now you), switching to my own equipment in the form of a Nighthawk router allowed me to take full control over my internet.

You would be happy to know that setting up Netgear Nighthawk with Xfinity is a breeze if you follow the instructions below.

Netgear Nighthawk works with Xfinity by Comcast.

To set up Netgear Nighthawk with Xfinity, enable bridge mode on the xFi by logging into admin tools at connect the xFi to the Netgear Nighthawk using an ethernet cable.

This guide assumes that you have an Xfinity modem-router combination (xFi). As a home networking expert, I would always advise you to use your own modem and router. This way you do not have to pay rent to Comcast for using their modem. It is a no brainer because your modem will be paid off by the rent you would have otherwise given to Comcast. Additionally, you get a lot more control over your internet and can prevent things like packet manipulation (if it happens). My recommendation for the best modem for the Xfinity-Nighthawk combo is Netgear CM1000 (on Amazon).

How to Set up Netgear Nighthawk with Xfinity Internet

Step 1: Sign-in to Xfinity gateway

Xfinity Gateway Login

Connect your computer with your xFi gateway using an ethernet cable.

Then, browse to and log in to your gateway by entering your username and password.

If you can’t remember the password and username, try using ‘admin’ for username and password for ‘password’.

Step 2: Go to ‘Gateway at a Glance’

On the left side of the screen, click on Gateway and then click on ‘Gateway at a Glance’.

Step 3: Turn ‘Bridge Mode’ on Your xFi

Enable bridge mode in the options. Additionally, I would advise you to go to Gateway > Connection > Wi-Fi and disable both 2.4 GHz and 5 GHz Wi-Fi networks.

This would prevent any interference from the xFi gateway with the Nighthawk’s Wi-Fi network. Confirm all changes.

Step 4: Connect xFi to Netgear Nighthawk Router

Nest Router Ethernet Modem

Take an ethernet cable and run it from the LAN port on your Xfinity xFi to the WAN port of your Nighthawk router.

Step 5: Restart All Devices

This step is known as power cycling. You need to restart all the devices including the modem and the router. Give it a few minutes to settle.

Note: I highly recommend that you purchase a gigabit ethernet switch (on Amazon) for your wired connections because the LAN ports on the Nighthawk are simply not enough.

This is super important if you want to play games or have access to seamless internet for work etc.

Step 6: Install the Nighthawk App

To set up the Netgear Nighthawk, simply download the app from the iOS App Store or the Google Play Store.

After installing the app, follow the on-screen instructions and connect your phone to your Nighthawk router’s Wi-Fi.

The default SSID and password are provided on the sticker on the router.

Step 7: Personalize your Wi-Fi Network

Once you are connected to the new Wi-Fi network, the Nighthawk app will prompt you to personalize your Wi-Fi.

Now, this step is important because if you choose a new SSID and password, you will have to manually connect all your devices to the new network.

The most convenient way to do this is by using the same SSID and password as your previous xFi Wi-Fi network.

What are the Advantages of Using Netgear Nighthawk Instead of Xfinity Modem-Router?

Upgrading to NETGEAR Nighthawk will give you modern functionality with superior performance.

Netgear has been a company that passionately produces some of the highest quality routers.

In my experience, upgrading to the Nighthawk has offered a variety of benefits.

  • Performance & Wi-Fi speed: Netgear router is the best in terms of performance for your Xfinity internet connection. With download speeds up to 300 Mbps, you do not lose your internet speed even if multiple devices are connected.
  • Eliminate Rental Fees: If you are using Xfinity service, the rent you pay for modem and router will be $14/mo which will sum up to $168/year. But Netgear devices have a lot to offer for less than $120.
  • Extended Wireless Coverage: Netgear’s expansive 1,500-square-foot Wi-Fi range helps to expand the coverage and MU-MIMO further allows multiple users to connect at the same time to stream or game.
  • More Secure Network: Netgear supports WPA2 wireless security protocols and it includes Guest WiFi access, DoS, Firewall, and VPN. Netgear also gives protection against internet threats and best-in-class anti-virus, anti-malware, and data protection to its users.

What are the Disadvantages of Using the Netgear Nighthawk Instead of the Xfinity Gateway?

  • In case of any potential problem with the internet and you reach out to the Xfinity support they may blame your Netgear Router. However, to this point, I have not had any dramas with my setup.
  • Multiple devices will take up more space and would require more power outlets.

Final Thoughts

I hope you were able to successfully set up your Nighthawk router with Xfinity internet.

If you have any trouble with your setup, feel free to send me a message using the contact form and I will help you.

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