Top 10 Best Modem Router Combo For Comcast in 2020 Buying Guide

Best Modem router combo for Comcast is the latest innovation in the technological industry, which is slowly penetrating the market and is giving a tough competition to all the existing players who deal either in modems or in routers. This is because of the fact that the rapid technological advancements and the highly competitive nature of the market have compelled the industries to evolve, and modem router is the latest technological innovation of the modern era. The modem router is a combination of a router and a modem, which has made the users exposed to more high-speed internet access.

A modem router combo is a device that uses modern-day technology. The innovators have seen that the telephone lines that are being used for carrying voice signals are capable of carrying more bandwidth, apart from being a carrier of voice signals alone. They have seen that for voice transmission bandwidth of 4 kHz is sufficient, thus telephone lines leave a lot of bandwidth unused. Capitalizing on this fact, the engineers have come up with an innovation called modem router combo.

Technological innovations are changing the world heavily. A new concept has emerged recently, which is instead of a user buying a modem or a router, now they have the option of buying a modem router combo, which acts both as a modem and as a router. The modem router combo can be connected to a telephone line and a user can avail high-speed internet services in their home-based on inter accessible devices. Provisions are there when a router can be connected to a router-modem combo, enabling more devices to connect to the device.

Advantages of using a modem router combo

  • A modem router combo uses a transmission technology that enables it to transfer data at a much faster rate than conventional dial-up modems. A modem router combo can transmit data 20 times faster than a modem.
  • The filtration techniques used by the modem router combo enable it more robust as they hardly stand as a hindrance between the data transmitted for voice calls over a landline and the data packets sent for internet usage.
  • Modems are always wired, but modem router combos have removed that hindrance which enables them to be used within a specified area as they have added the wireless feature to it.
  • While modems generally resort to set up a connection using dial-up connections but modem router combos use protocols that enable them to set up a connection at ease.
  • Modem router combos use firewalls that enable them to provide high security.
  • Compared to upstream speed, the downstream speed of the internet in modem router combo increases multifold, as users download data more than they upload.
  • Some modem router combos even have a power back up facility that sets it apart from a conventional modem.

Modem router combos manufactured by various companies use numbers of microcontrollers, chips, data connections circuits; and the companies who manufacture these parts at an optimum cost allows a particular brand to have an edge over the other brands. The antennas that a modem router combo use have the capability of transmitting high-quality radio frequencies and some modem router combo brands offers devices with multiple antennas to have a high-quality internet speed.

Comcast, a technological giant in the field of telecommunication, had a huge customer base from its inception i.e. from the year 1963. In the last decade, Comcast faced severe competition from their arch-rival, Xfinity but the competition ceased to exist when Xfinity decided to work under the same umbrella i.e. Comcast from the year 2010. This brand extension of Comcast gave them a new boost to their marketing plans and they further strengthened their customer base.

Comcast compatible modem vs modem router combo for Comcast

Comcast compatible modems are available in the market but they have been outsmarted by the manufacturers of modem router for Comcast, because of the high speed that is being provided by the modem router for Comcast. Although modems offer high-speed internet, taking into consideration the internet speed that a modem router combo offers, the latter has outplayed the former, as modem router combos offer internet speed up to 1000 Mbps.

Where to get a modem router combo

Best Modem router combo for Comcast is available in various e-commerce sites and the users can have a clear overview of all the modem router combo products available and can zero in on the product that offers features which the users find most suitable for their requirements.

Modem router combo technology has been thoroughly explored by telecommunications giants like Comcast and Spectrum, leading into changing the overall perspective of how an internet user looked at a modem or a router previously. Spectrum compatible modems and Comcast compatible modems are available in the market and available in various eCommerce sites. There are various manufacturers who are manufacturing modem router combo for Comcast, as they know Comcast has a huge market share and is expanding its market base exponentially.

Comcast modem router combo is the latest trend in the market, as a modem router combo is on the verge of slowly taking up the markets of both routers and modems. Comcast modem router combo is multi-featured and is multi-variant as well. There are numerous players in the market who offers modem router combo for Comcast as they have seen that a modem router combo can connect several computers concurrently, turning the user’s place into a local area network. A modem router combo can be plugged into a computer using an Ethernet port or a USB port.

Modem router combo for Comcast is pretty safe to use as it has added firewalls that enable proper filtration before we are downstream. There are several filters available that when be put across the lines communicating between the modem router combo and the telephone exchange, and it removes any unwanted bandwidth that may hamper the telephone lines while communicating over landlines. The best part of the modem router combo is that it can be connected to several output devices at the same time. For example, with the use of a modem router combo, we can receive and send faxes while printing a document on the printer at the same time.

We can further add more and more users in a single cabled telephone line by using the router facility of the modem router combo. The wireless facility of the router enables a user to connect to multiple devices from a single source. We can further extend the network if we link a router to a modem router combo, which is an added advantage.

Best Modem Router Combo For Comcast

Top 10 Best Modem Router Combo For Comcast in 2020 Buying Guide

1. NETGEAR C6250

It has high compatibility with all the major cabled internet service providers. Most users have reviewed this product as the best router for Comcast high-speed internet.

  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
  • SAVE MONTHLY RENTAL FEES: Model C6250 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees.
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 300 Mbps speed.
  • FAST WiFi PERFORMANCE: Get up to 1500 sq ft wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps).
  • VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give you fast wired connections to your computer, printer, game box, storage drive, and other devices.
  • MODEM TECHNOLOGY: Engineered with 16x4 channel bonding and DOCSIS 3.0.
  • SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols.
  • Low monthly rentals
  • High-speed internet
  • Wide Wi-Fi coverage
  • Highly secured, as it is enabled with WPA security protocol
  • It is less user friendly

2. NETGEAR Cable Modem CM500

A highly user-friendly device, with easy installations, that enables a user to work smoothly.

  • Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
  • Save monthly rental fees: Model CM500 replaces your cable modem saving you up to $168/yr in equipment rental fees.
  • Built for fast speed: best for cable provider plans up to 300 mbps speed.
  • Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
  • Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.
  • Low monthly rentals
  • High-speed internet
  • It supports all wireless devices
  • Hardware issues noticed

3. ARRIS Surfboard

It is more compatible with Xfinity internet and voice service. There are dedicated ports available for the telephone and the Ethernet.

  • 4 products in 1: DOCSIS 3. 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem.
  • Approved for use with Xfinity internet & voice service. Not compatible with any other cable internet provider.
  • 24 downstream x 8 upstream DOCSIS 3.0 channels, best for Xfinity internet speed plans up to 600 Mbps
  • 4 Gigabit Ethernet ports, 2 telephony ports for digital voice service
  • Cable internet service required.
  • Low monthly rentals
  • High-speed internet
  • Has an option of battery backup facility
  • Compatibility issues with many cabled ISPs.


Signals are less obstructed, as their technology cut-offs signals to come from a nearby user. It is very compact in nature enabling it to be placed anywhere across the home.

  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1600 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewall, and more. This product is recommended for actual cable Internet service speeds up to 375 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks.
  • Requires cable Internet service. Approved by Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, BrightHouse, WOW!, CableOne, RCN, Mediacom and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR. (Savings are shown for Xfinity and vary by provider). NOT COMPATIBLE with Verizon, AT&T, CenturyLink and other fiber optic, DSL or satellite services. Model MG7540 DOES NOT have a phone jack. This model CANNOT be used for making or receiving telephone calls.
  • Built-in high-speed WiFi router with AC1600 Wi-Fi provides Internet access for WiFi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.
  • The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.
  • High-speed internet
  • Uses Wi-Fi DFS frequency
  • Signal speed degradation issue.


It is the fastest-growing modem combo device in terms of product sales. Additionally, they provide signals which are less obstructed, as their technology cut-offs signals to come from a nearby user.

  • Up to 340Mbps modem speed and Dual Band N450 (2.4GHz & 5GHz) WiFi speed. 8x4 channel bonding, Denial of Service (DoS) attack prevention
  • DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
  • Ideal for streaming HD videos, faster downloads, and high speed online gaming
  • Required for the fastest cable Internet speed tiers.Use with an N300 adapter like NETGEAR WNA3100 for maximum performance
  • Compatibe with Xfinity from Comcast, Spectrum, Cox, & more. Not compatible with bundled voice services..Wifi technology:802.11n Dual Band Gigabit
  • Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • High-speed internet
  • Low rentals
  • Good for downloading data
  • Signal speed degradation issue.

6. TP-LINK Archer CR700 AC1750

The device doesn’t compromise on internet speed.

  • Certified for XFINITY from Comcast,Time Warner, Cablevision, and Bright House(certification with Cox, Charter and WOW are still in process)
  • Class-leading 680Mbps DOCSIS 3.0 cable download speeds, 16x faster than DOCSIS 2.0
  • Channel bonding of up to 16 downstream and 4 upstream channels
  • 1750Mbps Wi-Fi speeds with simultaneous 2.4GHz (450Mbps) and 5GHz (1300Mbps) bands
  • Six internal antennas and high-powered amplifiers boost signal strength and reduce interference Beamforming technology delivers a more targeted and highly efficient wireless connection Dual-core processor ensures no interruption when simultaneously
  • High-speed internet
  • High-quality Wireless Connectivity
  • Issues observed when connected with a printer, fax, etc.

7. ARRIS SURFboard SBG8300

The device can be used across all the major cabled internet service providers. A characteristic feature of the device is that it has multiple antennas, which transmit high-quality signals.

  • 3 products in 1: DOCSIS 3 1 Cable Modem, AC2350 Dual band Wi-Fi, 4 port Gigabit Router (cable digital voice service not supported)
  • Compatible with major U S Cable Internet Providers including Cox, Spectrum, Xfinity & others Cable internet service required Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
  • 32 downstream x 8 upstream DOCSIS channels, 2 downstream x 2 upstream DOCSIS 3 1 OFDM channels Best for cable internet speed plans up to 4 Gbps. Cable internet service required
  • Wave 2 AC2350 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
  • Setup and manage your network with the SURFboard Manager app Add SURFboard skills to your Alexa network for voice management of your Wi-Fi settings
  • High compatibility
  • High quality upstream and downstream
  • Connectivity issues.

8. NETGEAR Orbi All-in-One Cable Modem

High-speed Wi-Fi performance is observed. Characteristic features include is the encapsulation of the parental control option in the device.

  • Replaces both your cable modem and router—saves money (up to 156 dollars per year in equipment rental fees), reduces clutter, and increases WiFi performance—expand your coverage with Orbi satellite extenders (sold separately)
  • Cable modem is up to 32X faster internet for smooth uninterrupted connections and max download speeds, (thanks to DOCSIS 3.0 modem with 32 x 8 channel bonding)
  • Router eliminates WiFi dead zones and buffering for super-fast, reliable streaming and gaming—room to room, wall to wall, floor to floor—with 2,000 square feet of consistent coverage at speeds up to 2.2 Gbps
  • Maintains speed even as more devices use your WiFi at the same time — the difference is tri-band technology, others use dual-band.Powerful Quad-Core 710MHz processor
  • 4 Ethernet ports provide a wired connection to your Smart TV, gaming console, and more.Circle Smart Parental Controls–A smart way for families to manage content and time online on any connected device.Maximum wireless signal range derived from IEEE standard 802.11 specifications
  • Simple setup with the Orbi app — create guest network, access parental controls, and run speed tests right from the app
  • Compatible with all major Internet Service Providers — Xfinity from Comcast, Spectrum, Cox, and more. Not compatible with Gigabit service. Not compatible with: Verizon, AT&T, or CenturyLink
  • Power Adapter: 12V/3.5A
  • High-speed internet
  • Simple set up procedures
  • Uses Wi-Fi DFS frequency
  • Hardware issues.

9. Linksys CM3024

The device is not compatible with many cabled internet service providers. The most characteristic feature of the device is that it can be used over a meshed network.

  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more; Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Cable Modem only (no WiFi router), Interfaces: Cable: F type female 75 ohm
  • Experience high speed Wi Fi speeds from your existing ISP plans up to 300 Mbps; Ideal for HD media streaming, simultaneous online gaming, web surfing and more
  • Features Intel Puma 6 chipset to achieve high speed downstream and upstream performance
  • Easy plug and play setup
  • High-speed internet
  • Uses Wi-Fi DFS frequency
  • Signal degradation issue.

10. Arris Touchstone TM1602A

It enables regular up-gradation that makes it highly equipped with the changing day to day environment. Users have cited many issues relating to their hardware.

  • Good speed internet
  • Low rentals
  • Signal degradation issue.

FAQ – Frequently Asked Questions

What modems are compatible with Comcast?

There are numerous modems available in the market which are compatible with Comcast. But the below is a list that marks the prominent players which have taken a reasonable market share:

  1. NETGEAR Cable Modem CM500
  2. MOTOROLA 16×4 Cable Modem
  3. MOTOROLA MG7540 16×4 Cable Modem
  4. TP-LINK Accessories
  5. NETGEAR Cable Modem CM700
  6. ARRIS Surfboard SB6183
  7. ARRIS SURFboard SB6190
  8. ARRIS Surfboard SVG2482AC
  9. MOTOROLA MG7315
  10. NETGEAR N450-100NAS

What is the fastest cable modem router combo?

NETGEAR Nighthawk is the fastest cable router combo available in the market. It can achieve a maximum speed of up to 1 Gbps.

How to connect a router to a router-modem combo?

  • Connect the LAN port of the router to the WAN port of the router-modem combo
  • Now, set different IP addresses for both the router and the router-modem combo

What is the best modem router to use with Xfinity?

Because of its features and low rentals, NETGEAR Nighthawk C7100V is leading the chart.


The technological advancements have always played a vital role in businesses. A product widely sold in a year can become obsolete in the very next year. The modem router combo has lured the customers to buy the product because they have combined the features of both- a modem and a router. Modem router combo not only provides high-speed internet using cabled lines but also gives the liberty to users who want to multiply the number of devices to which the internet needs to be connected.

In the field of the cabled internet service provider, Comcast is a giant in its own domain and ever-expanding. There is a wide range of modem router brands available in the market and they mostly satisfy the compatibility norms of the modem router combo for Comcast. Since Comcast increases its customer base more and more every day, thus there are a lot of players in the market who are manufacturing modem router combo devices and are competing with each other to grab a strong foothold in the modem router combo manufacturing industries. Thus, it will be good to see who will rule the market in the year 2020, as customer service is of high priority alongside the promised deliverables by the modem router combo manufacturing companies.


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