10 Best Xfinity Modems 2020 – Do NOT Buy Before Reading This!

Best Xfinity Modems 2020: Here is the top 10 Best Xfinity Modems in 2019. Since many of you guys wanted to use to give a list of best products of Xfinity modems. Which I personally use. Hence before buying, I did all the research. Which is now useful for you guys. Enjoy!


Best Xfinity Modems 2020

# Preview Product Price
1 MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox, Charter Spectrum, Time Warner Cable, and More. Downloads 1,000 Mbps Maximum (No WiFi) MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox, Charter... $77.99
2 MOTOROLA MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice MOTOROLA MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band... $199.99
3 NETGEAR Cable Modem with Voice CM500V - For Xfinity by Comcast Internet & Voice | Supports Cable Plans Up to 300 Mbps | 2 Phone lines | DOCSIS 3.0 (Renewed) NETGEAR Cable Modem with Voice CM500V - For Xfinity by Comcast Internet & Voice | Supports Cable... $104.99
4 NETGEAR C6300-100NAR DOCSIS 3.0 WiFi Cable Modem Router with AC1750 16x4 Download speeds. Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More (Renewed) NETGEAR C6300-100NAR DOCSIS 3.0 WiFi Cable Modem Router with AC1750 16x4 Download speeds. Certified... $89.00
5 Motorola MG7700 24x8 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost, 1000 Mbps Maximum Docsis 3.0 - Approved by Comcast Xfinity, Cox and More Motorola MG7700 24x8 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost, 1000... $169.99
6 NETGEAR C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download speeds for Xfinity from Comcast, Spectrum, Cox, Cablevision (Renewed) NETGEAR C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download speeds for... $59.99
7 ARRIS Surfboard Docsis 3.1 Gigabit Cable Modem for Xfinity Internet & Voice ARRIS Surfboard Docsis 3.1 Gigabit Cable Modem for Xfinity Internet & Voice $194.99
8 MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter... $53.99
9 MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and More (No Wireless) MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time... $46.99
10 ARRIS SURFboard Docsis 3.1 Gigabit Speed Cable Modem, Approved for Cox, Spectrum and Xfinity, (SB8200 Frustration Free),White ARRIS SURFboard Docsis 3.1 Gigabit Speed Cable Modem, Approved for Cox, Spectrum and Xfinity,... $146.97
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#01 – Arris SURFboard SB6190 Cable Modem

Sale
ARRIS SURFboard (32x8) Docsis 3.0 Cable Modem, Certified for Xfinity, Spectrum, Cox & More (SB6190 White)
  • Approved for use with Cox spectrum Xfinity and most other U S Cable internet Providers Not compatible with Verizon AT&T or CenturyLink
  • 32 downstream x 8 upstream bonded DOCSIS 3 0 channels capable of download speeds up to 1 4 Gbps
  • Wired modem only Does not include Wi-Fi router or VoIP telephone adapter Gigabit Ethernet port to connect to PC or router
  • Ideal for UHD movie streaming gaming and multiple device use at same time Future proof your system
  • 2 year with us based customer service Refer to the quick Start Guide and installation video
  • APPROVED for Internet plans up to 400 Mbps

#02 – Netgear CM700 Cable Modem

Sale
NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps. Certified for XFINITY by Comcast, Time Warner Cable, Charter & more (CM700)
  • Up to 1.4Gbps download and upload speed. Separate router required for WiFi. 32x8 channel bonding . Cable Broadband Internet service: Please check your cable Internet service provider web site for data speed tier compatibility.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

#03 – Arris SVG2482AC Modem-Router with Telephony Adapter

ARRIS Surfboard (24x8) Docsis 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, Certified for Comcast Xfinity Only (SVG2482AC), Max Download Speed: 1 Gbps
  • 3 products in 1: 24x8 DOCSIS 3. 0 cable Modem, 4-Port AC1750 Wi-Fi router, Xfinity telephony modem.
  • Approved for use with Xfinity internet & voice service. Not compatible with any other cable internet provider.
  • Does not support Xfinity home security or home control service without also having an Xfinity home router (provided by Comcast)
  • 24 DOWNLOAD and 8 UPLOAD channels ideal for Internet plans up to 400 Mbps. Xfinity internet service is required to use this product.
  • AC1750 Dual-Band Concurrent Wi-Fi Router with 4 Gigabit Ethernet ports for wired devices.
  • 2 telephone ports to support Xfinity voice service. Optional battery backup (sold separately) for placing and receiving voice calls during power outages.
  • 2-Year limited warranty
  • Not compatible with Xfinity Gigabit speed internet plans. Docsis 3.1 modem required for gigabit speed plans.

#04 – Linksys CM3008 Cable Modem

Sale
Linksys DOCSIS 3.0 8x4 Cable Modem Certified with Comcast Xfinity, Spectrum, Cox (CM3008)
  • 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)
  • Features Intel Puma 5 chipset to achieve high speed downstream and upstream performance
  • 8 download and 4 upload bonded DOCSIS channels give you the most out of your existing cable broadband connection

#05 – Asus CM-16 Cable Modem

Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity, Spectrum and Other Service Providers
  • DOCSIS 3.0 16x4 cable modem certified by Comcast Xfinity, Spectrum (legacy Time Warner Cable and Charter) and Cox
  • Save up to $120 per year on rental fees by owning your own cable modem
  • Supports downstream of up to 686Mbps and upstream of up to 131Mbps
  • Pairs perfectly with ASUS signature routers such as RT-AC68U and RT-AC66U (router not included, separate purchase required for WiFi connectivity)
  • Five front-facing LED indicators easily reveal the status and signal strength of the cable modem

#06 – TP-Link TC-7610 Cable Modem

Sale
TP-Link TC-7610 DOCSIS 3.0 (8x4) Cable Modem. Max Download Speeds Up to 343Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and more. Separate Router is Needed for Wi-Fi
  • Eliminate Rental Fee: Eliminate your cable modem monthly rental fee - Up to $120 per year
  • Cable Modem Only: You will also need a router to enable Wi-Fi
  • Faster Speed: DOCSIS 3.0 Cable Modem provides 8X faster download speed than DOCSIS 2.0 for an ultra-fast performance; Channel bonding of up to 8 downstream and 4 upstream channels, provide data rates up to 343Mbps for download and 143Mbps for upload
  • Industry Leading Support: 2-year warranty and free 24/7 technical support; J.D. Power Ranked TP-Link "Highest in Customer Satisfaction for Wireless Routers in 2017"; Great for Cable Internet plans up to 150Mbps with XFINITY from Comcast, Spectrum (Including Charter, Time Warner Cable, and Bright House Networks), Cox, Suddenlink, Mediacom, and WOW
  • Supports: IPv4 and IPv6 - the latest Internet standard
  • Eliminate your cable modem monthly rental fee
  • Item is CABLE MODEM ONLY. Compatible with cable internet plans up to 150Mbps*
  • Great for Comcast Xfinity Internet Extreme 150, TWC 100M, Cox Cable Premier, and Brighthouse 100.  Also works with other major cable operators including Charter, Cablevision, WoW and more
  • Channel bonding of up to 8 downstream and 4 upstream channels, provide data rates up to 343Mbps for download and 143Mbps for upload
  • DOCSIS 3.0 Cable Modem provides 8X faster download speed than DOCSIS 2.0 for an ultra-fast performance
  • CableLabs certified DOCSIS 3.0 backwards compatible to DOCSIS 1.0, 1.1 and 2.0 provides users comprehensive network compatibility
  • Supports IPv4 and IPv6 - the latest Internet standard
  • Industry-leading 2-year warranty and unlimited 24/7 technical support

#07 – Motorola MB7420 Cable Modem

Sale
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does NOT have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

#08 – SMC Networks D3CM1604 Modem

SMC Networks D3CM1604 Modem (DOCSIS 3.0, 16x4 Channel Bonding) Approved for Time Warner Cable, Charter, Cox, Spectrum
  • 16 downstream and 4 upstream channels allows for blazing speeds!
  • Ideal for streaming HD Video and gaming on multiple devices at a time
  • DOCSIS 3.0 cable modem equipped with a 16x4 bonding capable of speeds in excess of 640 Mbps downstream and 120 Mbps upstream.
  • CableLabs DOCSIS 3.0 certified

#09 – D-Link DCM-301 Cable Modem

D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
  • 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)
  • Integrated home services
  • Maximum downstream speeds: 30 Mbps (640QAM) / 43 Mbps (256QAM) / up to 320 Mbps through 8 channel bonding1; Maximum upstream speeds: 30 Mbps (TDMA) / 35 Mbps (SCDMA) / up to 160 Mbps1
  • Modem only. Router not included
  • Compatible with major US cable providers, including Comcast, Time Warner and more
  • Up to 8 times faster than DOCSIS 2.0 with speeds of up to 343Mbps. DOCIS 3.0 compliant
  • Gigabit Ethernet Port
  • IPv6 Ready
  • Eliminate monthly rental fees

#10 – Zoom 5370 Cable Modem


First of all, you don’t NEED to buy a new modem for XFINITY. When you sign up to their service, they will provide one for you that can rent from them for a monthly fee (usually around $10). However, buying your own modem can bring a number of advantages:

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Save Money:

While buying a modem will certainly cause you to lose money in the short term, over the longer term the fact that you aren’t paying a monthly rental fee means you will actually save money.

If you buy a modem that costs $80 and save $10 a month, by the end of your first year you will already have saved money! And this is before I mention that you get to keep your modem at the end of your deal.

Get A Better Modem:

Being able to choose your own modem means you will be able to choose the best modem for you. While there are reports of people having occasional problems with their rented modems, if you buy your own you can potentially end these problems.

Separate Modem:

Firstly, whether you choose to buy a cable modem/router or a separate modem and router, you must first make sure the modem is compatible with Comcast (not the router, all routers will work with all modems – well they should do!).

You can check with Comcast directly or if you don’t want to do that, all the modems on our list below are compatible with the service.

Advantages of a Separate Modem:

Top Quality Router:

While the routers in a modem/router combo are often decent enough, if you want a really top of the range router with all the latest features, you will likely have to buy a separate router.

This can ensure your router has all the latest features including the latest wifi standards, QoS settings, tri-band etc.

If you want the best quality router for your network, buying a separate router and modem could be the way to go.

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Able to upgrade each part:

On a similar note, if you don’t want to buy a top of the range router now, but think you might in the future, buying a separate modem and router will allow you to do this.

On the other hand, if you buy the combined product you will either be stuck with the cable/router or have to re-buy both products.

That isn’t to say that there aren’t any advantages of a cable modem/router combo, however! If you aren’t worried about having the best possible router there are still advantages to be had from a combo product.

Guidelines for Installing XFINITY Modem:

Check your modem is compatible with XFINITY.

Remove your old modem.

Connect your new modem to the cable that provides the internet. If you’re unsure which cable to put in which socket, consult your modem’s instruction manual. However, there is only one possible cable to port fit, so it should be pretty obvious!

Plug the modem into the power socket and turn the modem on. If the lights come on, you’re good to start installing your router.

Now your modem is installed, you can focus on setting up your router.

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