How to Choose Best Comcast Internets Buyer’s Guide (2018 Update)

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Best Comcast Internets
During the process of creating this buying guide, we looked through every important aspect of each comcast internets available on the current market. Our list of the best products is as objective and trustworthy as it could be. However, we still advice you to make your own research before buying a comcast internets.

In order to create this rating list of the best comcast internets, we had to look through hundreds of products. We compared such aspects as material, cost, weight, and many other characteristics. You can always contact us and suggest any ideas if you think that our list can be improved.

Our Favorite 10 Comcast Internets of 2018

Rating Image Name and Features Details
5.0
NETGEAR CM500-1AZNAS 1. NETGEAR CM500-1AZNAS
Support cable internet service plans up to 200 mbps.
Read reviews
4.8
Motorola 16x4 Cable Modem 2. Motorola 16×4 Cable Modem (Best Versatility Features)
Cable modem’s ethernet port connects to a computer, hdtv, game station, or wireless router.
Read reviews
4.3
Motorola 8x4 Cable Modem Gateway + WiFi N450 GigE Router 3. Motorola 8×4 Cable Modem Gateway + WiFi N450 GigE Router
Requires cable internet service.
Read reviews
4.0
NETGEAR Nighthawk WiFi Cable Modem Router+ Voice 4. NETGEAR Nighthawk WiFi Cable Modem Router+ Voice (Easiest to Adjust)
Works with amazon alexa & the google assistant control your home network using voice commands.
Read reviews
4.0
Arris Touchstone Tm822g Internet 5. Arris Touchstone Tm822g Internet
Docsis 3.0 cable modem with 8 download & 4 upload channels for speeds up to 343 mbps and 131 mbps respectively.
Read reviews
4.0
ARRIS SURFboard SB6141 8x4 DOCSIS 3.0 Cable Modem- Retail Package- Black 6. ARRIS SURFboard SB6141 8×4 DOCSIS 3.0 Cable Modem- Retail Package- Black (Budget Pick)
Wired modem only.
Read reviews
3.5
NETGEAR C3000-100NAS N300 7. NETGEAR C3000-100NAS N300
Three-in-one docsis 3.0 cable modem + n300 wifi router+ 2 gigabit wired switch.
Read reviews
3.3
ARRIS SURFboard SB6183 Modem 16x4 Docsis 3.0 Cable Modem- Retail Packaging- White 8. ARRIS SURFboard SB6183 Modem 16×4 Docsis 3.0 Cable Modem- Retail Packaging- White
Verizon, at&t, or centurylink.
Read reviews
3.0
NETGEAR CM600 9. NETGEAR CM600
Docsis 3.0 up to 24x faster download speeds than docsis 2.0.
Read reviews
2.8
Motorola 24x8 Cable Modem 10. Motorola 24×8 Cable Modem
This cable modem’s one gigabit ethernet port connects to a wifi router, computer, hdtv, game station, or streaming video device.
Read reviews

 

 

 
№ 1. NETGEAR CM500-1AZNAS (16x Docsis 3.0 Cable Modem, Max Download Speeds of 686mbps, Certified for Xfinity From Comcast, Spectrum, Cox, Cablevision and More
 

Style
5/5
 

Size
5/5
 

Durability
5/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
5.0
NETGEAR CM500-1AZNAS 6.3 x 8.7 x 3.9 inches 1.35 pounds
Check Price

Docsis 3.0 up to 16x faster download speeds than docsis 2.0. Memory: 8 mb nor flash and 128 mb ram. Support cable internet service plans up to 200 mbps. Separate router required for wi-fi. Eliminate monthly cable modem rental fees – up to 120 per year. System requirements: microsoft internet explorer 5.0, firefox 2.0, safari 1.4, or google chrome 11.0 browsers or higher. “the best cable modem” – the wirecutter, aug 2017. Not compatible with: verizon, at&t, or centurylink. Not compatible with bundled voice services.

 

 
GOOD
Docsis 3.0 up
“the best cable modem”
Support cable internet service plans up
Eliminate monthly cable modem rental fees
Not compatible with
BAD
This product does not have a single defect.
 

What are your reviews based on?

In order to create this buying guide, our team had to go through hundreds of user reviews and compare dozens of comcast internets models and brands. Finding the best comcast internets nowadays is a hard task: the selection on the market is so high that you would have to spend months to study all available options. Thankfully, our TOP list will help you find a good comcast internets much quicker!

 

 
№ 2. Motorola 16×4 Cable Modem, Model Mb7420, 686 Mbps Docsis 3.0, Certified By Comcast Xfinity, Charter Spectrum, Time Warner Cable, Cox, Brighthouse, and More
 

Style
5/5
 

Size
5/5
 

Durability
5/5
 

Price
4/5
 
Overall Brand Model Dimensions Weight Details
4.8
Motorola MB7420-10 4.9 x 2 x 6.1 inches 1.2 pounds
Check Price

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. 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. 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.

This 16×4 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.

 

 
GOOD
This 16×4 docsis 3.0 cable modem provides speeds up
Cable modem’s ethernet port connects
Setup is fast
Requires cable internet service
BAD
You should get much more for such a high price.
It is too short.
 

 

 
№ 3. Motorola 8×4 Cable Modem Gateway + WiFi N450 GigE Router with Power Boost, Model Mg7315, 343 Mbps Docsis 3.0, Certified By Comcast Xfinity, Charter Spectrum, Time Warner, Brighthouse, Cox and More
 

Style
5/5
 

Size
5/5
 

Durability
2/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
4.3
Motorola FBA_MG7315-10 8.6 x 2.6 x 9 inches 2.55 pounds
Check Price

Integrating the cable modem and router creates a more reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design further minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. Wireless power boost adds high-performance wi-fi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, anybeam beamforming focuses the signal on wireless clients to further enhance performance and range. Built-in high-speed wifi router with n450 wi-fi and power boost 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.

Requires cable internet service. Approved by comcast xfinity, cox, charter spectrum, timer warner cable, brighthouse, wow, cableone, rcn, mediacom and other cable service providers for use in modem ownership programs that save rental fees up to 132 per year. (savings are shown for comcast xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, dsl, or satellite services from verizon, at&t, centurylink, frontier, and others. 16×4 docsis 3.0 cable modem plus a built-in n450 single band (2.4 ghz) wi-fi gigabit router with four gigabit (gige) ethernet ports, a firewall, and more. This product is recommended for actual cable internet service speeds up to 145 mbps. A broadcom cable modem chipset provides security from denial of service attacks.

 

 
GOOD
16×4 docsis 3.0 cable modem plus a built-in n450 single b
Built-in high-speed wifi router
Requires cable internet service
BAD
Works great, but it is too big for a small apartment.
 

I am wondering if buying a comcast internets online is safe

Buying comcast internetsonline is absolutely safe! In fact, it might be even safer than buying them in a local store, since you do not need to leave your house. Moreover, if you get a malfunctioning item you can always get a refund or a replacement.

 

 
№ 4. NETGEAR Nighthawk WiFi Cable Modem Router+ Voice (24×8) Ac1900 Docsis 3.0, for Xfinity Internet and Voice Services (c7100v-1aznas)
 

Style
5/5
 

Size
3/5
 

Durability
4/5
 

Price
4/5
 
Overall Brand Model Dimensions Weight Details
4.0
NETGEAR C7100V-1AZNAS 15 x 11.7 x 4.1 inches 4.75 pounds
Check Price

Ideal for streaming 4k hd videos, faster downloads, and high-speed online gaming. Works with amazon alexa & the google assistant control your home network using voice commands. Three-in-one docsis 3.0 cable modem + ac1900 wi-fi router+ xfinity voice and 2 usb ports. Compatible with xfinity from comcast. System requirements: microsoft windows 7.8, vista, xp.2000, mac os, unix or linux. Microsoft internet explorer 5.0, firefox 2.0, safari 1.4 or google chrome 11.0 browsers or higher. Up to 960mbps modem speed and dual-band ac1900 (2.4ghz & 5ghz) wi-fi speed. 24×8 channel bonding/approved for plans up to 500 mbps.

Docsis 3.0 unleashes 24x faster download speeds than docsis 2.0.

 

 
GOOD
Docsis 3.0 unleashes 24x faster download speeds than docsis 2.0
BAD
You will have to learn using it.
Takes up too much space.
 

Should I get a comcast internets with a lifetime warranty?

The recommended warranty period depends on how often you use your comcast internets, how expensive is it, what company made it, and many other factors. Manufacturers sell their most expensive products with a lifetime warranty, while the least expensive comcast internetsmight be not guaranteed at all. We think that the best warranty period for a good comcast internets is five years.

 

 
№ 5. Arris Touchstone Tm822g Internet and Voice Modem for Xfinity From Comcast
 

Style
3/5
 

Size
4/5
 

Durability
4/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
4.0
ARRIS TM822G 2.1 x 7.1 x 8.5 inches 8.1 pounds
Check Price

2 year warranty with USA technical support. Please note: kindly refer the user manual before use. Certified and optimized for use with xfinity internet & voice service from comcast. Does not work with other cable internet telephone providers. Battery back up sold separately. Loop diagnostics for remote testing and troubleshooting of in-house wiring. Docsis 3.0 cable modem with 8 download & 4 upload channels for speeds up to 343 mbps and 131 mbps respectively. 2 telephony ports for voice over ip and 1gigabit ethernet port.

 

 
GOOD
Battery back up sold separately
2 year warranty
Docsis 3.0 cable modem
2 telephony ports
BAD
Professionals will not find it useful.
 

 

 
 

Style
5/5
 

Size
3/5
 

Durability
3/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
4.0
ARRIS SB6141 8.7 x 2 x 6.4 inches 1.7 pounds
Check Price

Does not include wifi router or voip telephone adapter. Gigabit etherent port to connect to pc or router. Brown box models not valid for this item when sold as new, should report to amazon immediately and return to seller.8 download and 4 upload channels. Approved on comcast xfinity, spectrum (charter, time warner, brighthouse networks), cox, mediacom, suddenlink and most other USA cable internet providers. Not compatible with verizon, at&t or centurylink. 8 download channels and 4 upload channels capable of up to 343 mbps download and 131 upload speeds. Recommended for internet plans up to 100 mbps.

2 year warranty with USA based customer service. Refer to the quick start guide and installation video.

 

 
GOOD
Wired modem only
2 year warranty
8 download channels
Brown box models not valid
Approved on comcast xfinity
BAD
It is easy to damage.
The assembling quality is on top, but materials are not the best.
 

 

 
№ 7. NETGEAR C3000-100NAS N300 (8x Wifi Docsis 3.0 Cable Modem Router (c3000) Certified for Xfinity From Comcast, Spectrum, Cox, Cablevision and More
 

Style
2/5
 

Size
5/5
 

Durability
2/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
3.5
NETGEAR C3000-100NAS 9.1 x 10.8 x 3.1 inches 1.7 pounds
Check Price

Netgeasr genie app +content filtering parental controls allow you to easily manage your network from your mobile device. Compatible with xfinity from comcast, spectrum, cox, cableone & more. This 2-in-1 wifi router and docsis 3.0 cable modem unleashes 8x faster download speeds up to 340 mbps faster, smoother wifi and works with all major cable internet providers. Three-in-one docsis 3.0 cable modem + n300 wifi router+ 2 gigabit wired switch. Not compatible with cable bundled voice services. Eliminte monthly cable modem rental fees – up to 120 per year, number of ethernet ports: two 10/100/1000 lan gigabit ethernet ports with auto-sensing technology, number of usb ports: one usb 2.0 port.

Docsis 3.0 unleashes 8x faster download speeds than docsis 2.0/ approved for plans up to 100 mbps. Security: denial-of-service (dos) attack prevention.

 

 
GOOD
Eliminte monthly cable modem rental fees
BAD
Takes a lot of time to get used to.
 

 

 
 

Style
4/5
 

Size
3/5
 

Durability
4/5
 

Price
2/5
 
Overall Brand Model Dimensions Weight Details
3.3
ARRIS SB6183 8.5 x 2.5 x 7.8 inches 1.4 pounds
Check Price

Internet speeds up to 686 mbps download and 131 mbps upload based on your cable isp subscription. Gigabit ethernet port to connect to computer or router. Approved with comcast xfinity, spectrum (charter, time warner, brighthouse), cox and more. If not sure call your cable provider to find out if approved to use. Requires cable internet service. Cable modem only (no wifi router). 16 download & 4 upload channels. Not compatible with: verizon, at&t, or centurylink. Ideal for streaming hd video and gaming on multiple devices at a time. Supports ipv4 and ipv6 the latest internet standard.

 

 
GOOD
Not compatible with
2 year warranty
Cable modem only
Internet speeds up
BAD
It is too expensive for what you get.
 

 

 
№ 9. NETGEAR CM600 (24×8) Docsis 3.0 Cable Modem. Max Download Speeds of 960mbps. for Xfinity By Comcast, Time Warner Cable, Cox, Charter and More (cm600-1aznas)
 

Style
3/5
 

Size
3/5
 

Durability
4/5
 

Price
2/5
 
Overall Brand Model Dimensions Weight Details
3.0
NETGEAR CM600-1AZNAS 7.2 x 10.2 x 4.5 inches 4.05 pounds
Check Price

Support cable internet service plans up to 300mbps. Separate router required for wifi. Compatible with xfinity from comcast, spectrum, cox, cableone & more. Microsoft internet explorer 5.0, firefox 2.0, safari 1.4 or google chrome 11.0 browsers or higher. Not compatible with: verizon, at&t, or centurylink. Not compatible with bundled voice services. Docsis 3.0 up to 24x faster download speeds than docsis 2.0. One gigabit ethernet port with auto-sensing technology. Eliminate monthly cable modem rental fees – up to 120 per year.

 

 
GOOD
Support cable internet service plans up
Not compatible with
Eliminate monthly cable modem rental fees
Docsis 3.0 up
BAD
Similar products are much cheaper.
The housing looks too cheap despite the price.
 

 

 
№ 10. Motorola 24×8 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)
 

Style
2/5
 

Size
2/5
 

Durability
2/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
2.8
Motorola MB7621 7.2 x 2.2 x 7.9 inches 4.2 pounds
Check Price

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 protection circuits guard your investment. Requires cable internet service. Approved by comcast xfinity, cox, charter spectrum, time warner cable, brighthouse, cableone, suddenlink, rcn, and other leading cable service providers for modem ownership programs that save rental charges up to 132 per year. (savings are shown for comcast xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, dsl, or satellite services from verizon, at&t, centurylink, frontier, and others. Setup is fast and easy using the quick start guide. Experienced usa-based motorola customer support specialists are happy to help if you need them. Support is in english or spanish.

Recommended for actual cable internet service speeds up to 650 mbps. A full-band capture digital tuner ensures faster, more reliable internet. This cable modem’s one gigabit ethernet port connects to a wifi router, computer, hdtv, game station, or streaming video device. Great for use with whole home wifi or mesh networks like eero, google wifi, and orbi. (this cable modem does not have a built-in wireless router or telephone call capability. The motorola mg7310, mg7315, mg7550, and mg7700 have a built-in wireless router.

 

 
GOOD
Requires cable internet service
Setup is fast
This cable modem’s one gigabit ethernet port connects
BAD
Beginners may experience many troubles with it.
 

What warranty period is considered optimal for comcast internets?

In the most cases, two-year long warranty period is considered as optimal for comcast internets. comcast internetshave a tendency to lose their quality with time. Replacing old comcast internetswith a new model is a much better option than an overpriced lifetime warranty.

What do I need to check before choosing a comcast internets?

Marketplace provides a myriad of convenient features to help you compare and choose comcast internets. It also aggregates thousands of reviews from people all over the world. Always read them before choosing a comcast internets!

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