Top 10 Comcast Cable Modems

Motorola

Motorola 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast

9.8

Awesome

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1 Best deal!

Product highlights

Cable modem's ethernet port connects to a computer, hdtv, game station, or wireless router. (this cable modem does not have a built-in wireless router or voip telephone adapter. the motorola mg7310, mg7315, and mg7550 have a built-in wireless router.)
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.
This 8x4 docsis 3.0 cable modem provides speeds up to 343 mbps, eight times faster than docsis 2.0. a full-band capture digital tuner ensures a faster, more reliable internet.
Requires cable internet service. certified by comcast xfinity, time warner cable, cox, brighthouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
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.

Motorola

Motorola 24x8 Cable Modem, 1000 Mbps, Model MB7621, Comcast XFINITY Certified

9.4

Awesome

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Product highlights

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 mg7315, mg7540, mg7550, and mg7700 have a built-in wire...
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.
Model mb7621 is recommended for actual cable internet service speeds up to 650 mbps. a full-band capture digital tuner ensures faster, more reliable internet.
Requires cable internet service.approved by and for use with comcast xfinity and xfinity x1, cox, charter spectrum, time warner cable, brighthouse, cableone, suddenlink, rcn, and other cable service providers. eliminate cable modem rental fees up to 156 dollars per year.(savings are shown for xfinity and vary by cable service provider. no cable modem is compatible with ...
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. includes phone and web support by friendly, professional usa-based technical support specialists.

Motorola

Motorola 8x4 Cable Modem Gateway + WiFi N450 GigE Router with Power Boost

9.2

Awesome

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Product highlights

Requires cable internet service. approved by and for use with comcast affinity and xfinity x1, cox, charter spectrum, time warner cable, brighthouse, wow!, cable one, rcn, mediacom and other cable service providers. eliminate cable modem rental fees up to 132 dollars per year. (savings are shown for affinity and vary by cable service provider. no cable modem is compatib...
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.
8x4 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 docsis 3.0 and 2.0 cable services. for docsis 3.0 services, this modem provides actual cable internet service speeds up to 145 mbps. a broadcom cable modem chipset provides security from...
Built-in high-speed wi-fi router with n450 wi-fi and power boost provides internet access for wi-fi devices including smartphones, notebooks, tablets, game stations, hdtvs, amazon echo, google home, chromecast, roku, amazon fire tv, and apple tv. four 10/100/1000 gigabit ethernet lan ports provide wired connections to windows and mac computers, hdtvs, game stations, str...
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.

NETGEAR

Netgear CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem, Max download speeds of 680Mbps, Certified

8.8

Great

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Product highlights

Save monthly rental fees: model cm500 replaces your cable modem saving you up to $150/yr in equipment rental fees.
Works with any wifi router: connect any wifi router to this modem's ethernet port to support all your wireless devices.
Modem technology: engineered with 16x4 channel bonding and docsis 3.0.
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.
Built for fast speed: best for cable provider plans up to 300 mbps speed.
Ethernet connections: 1 gigabit ethernet port connects to your computer or separate wifi router.

Motorola

Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast

8.4

Great

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Product highlights

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.)
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.
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.
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
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.

NETGEAR

NETGEAR Certified Refurbished C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4

8.3

Great

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Product highlights

Certified to work with cable internet providers like xfinity from comcast, time warner cable, cox, cablevision, bright house networks, & more (not compatible with cable bundled voice services).
Double firewall protection (spi and nat firewall).
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 (not compatible with cable bundled voice services).
8x4 channel bonding with gigabit ethernet ports for fast wired, connections usb port to wirelessly share your hard drive.

ARRIS

ARRIS SURFboard TM822R Docsis 3.0 Cable Modem/ 2-Voice Lines for Comcast Xfinity- Retail

7.9

Very Good

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Product highlights

Docsis 3.0 cable modem. 2 year warranty
Battery back up capable (battery not included)
Ipv4 & ipv6 support
Compatible with xfinity voice & internet service download speeds up to 343 mbps.
Eight download and four upload channels.
2 carrier-grade voice over ip (voip) lines

ARRIS

ARRIS SURFboard SB8200 DOCSIS 3.1 32x8 Cable Modem - Retail Packaging, White

7.6

Very Good

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Product highlights

Not compatible with: verizon, at&t, or centurylink. not compatible with bundled voice services.
Docsis 3. 1 cable modem, the newest technology being offered by cable internet providers. backward compatible with docsis 3. 0.
Gigabit ethernet ports. create 2 home networks, both capable of gigabit speeds. (note, cox cable does not support activation of 2nd ethernet port)
Approved for use with cox, spectrum and xfinity
Cable modem only (no wi-fi router). compatible with major u. s cable providers. supports ipv4 and ipv6 internet browsing standards
32 download and 8 upload channels. best for 300 mbps internet plans and above! perfect for streaming 4k hd video and online gaming. up to 10+ gaps docsis 3. 1 download speeds

NETGEAR

NETGEAR Cable Modem with Voice CM500V - For Xfinity by Comcast Internet

7.3

Very Good

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Product highlights

Save monthly rental fees: model cm500v replaces your cable modem saving you up to $150/yr in equipment rental fees.
Works with any wifi router: connect any wifi router to this modem's ethernet port to support all your wireless devices.
Voice phone support: for use with xfinity voice service and up to 2 telephone lines with enhanced call features including caller id, 3-way conference calling, call forwarding and more.
Compatible with xfinity internet & voice service: certified by comcast for xfinity. not compatible with verizon, at&t, centurylink, dsl providers, directv, dish and non-xfinity voice services.
Built for fast speed: best for cable provider plans up to 300 mbps speed.
Ethernet connections: 1 gigabit ethernet port connects to your computer or separate wi-fi router.

NETGEAR

NETGEAR Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox

7

Good

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Product highlights

Docsis 3. 1 up to 10x faster download speeds than docsis 3. 0. docsis 3. 1 is ofdm 2x2+ docsis 3. 0 32x8 channel bonding
System requirements- cable broadband internet service, please check your cable internet service provider web site for data speed tier compatibility and to ensure it provides docsis 3.1 service, otherwise this modem will only work as a docsis 3.0 modem,microsoft windows 7, 8, 10, vista, xp, 2000, mac os, or other operating systems running a tcp/ip network, microsoft inte...
Support all cable internet speed tiers, up to gigabit (1000 mbps) service. separate router required for wi-fi
Eliminate monthly cable modem rental fees - up to $156 per year. meets docsis 3. 1 specifications and is backward compatible with docsis 3. 0 networks
Cm1000-1aznas is not compatible with: verizon, at&t, or centurylink. not compatible with cable bundled voice services

Buying guide

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Top 10 Comcast Cable Modems

Motorola

9.8

Product highlights

Motorola

9.4

Product highlights

Motorola

9.2

Product highlights

NETGEAR

8.8

Product highlights

Motorola

8.4

Product highlights

NETGEAR

8.3

Product highlights

ARRIS

7.9

Product highlights

ARRIS

7.6

Product highlights

NETGEAR

7.3

Product highlights

NETGEAR

7

Product highlights

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