Top 9 Xfinity Cable Modem 3.1 – Computer Networking Modems

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1. ARRIS

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Xfinity, Approved for Cox, Spectrum & others, ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem

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ARRIS #ad - Docsis 3 1 cable modem best for cable internet speed plans up to 2 Gbps. Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service. Two 1-gigabit Ethernet ports capable of link aggregation. Others not compatible with aTT, Verizon, CenturyLink or other DSL or Fiber internet providers. 32 downstream x 8 upstream docsis 3 0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels. Note, a 2nd ip address is required from your cable internet provider to reach 2 Gbps.
BrandARRIS #ad
ManufacturerARRIS Solutions, Inc. #ad
Height5.25 Inches
Length5.13 Inches
Width1.7 Inches
Part NumberSB8200
ModelSB8200
Warranty2 Year

2. NETGEAR

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Cox | for Cable Plans Up to 1 Gigabit | DOCSIS 3.1, NETGEAR Cable Modem CM1000, Compatible with All Cable Providers Including Xfinity by Comcast, Black CM1000-1AZNAS, Spectrum

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NETGEAR #ad - Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router. Works with any wi-fi router: connect any Wi-Fi router to this modem's Ethernet port to support all your wireless devices.

Save monthly rental fees: model cM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees. Built for ultimate speed: Best for cable provider plans up to 1 gigabit speed. Not compatible with verizon, DSL providers, AT&T, DISH and any bundled voice service. Compatible with all major cable internet providers: including certification by Xfinity by Comcast, DirecTV, COX, CenturyLink, and Spectrum.
BrandNETGEAR #ad
ManufacturerNetgear Inc #ad
Height5.9 Inches
Length8.8 Inches
Width5.4 Inches
Part NumberCM1000-1AZNAS
ModelCM1000-1AZNAS
WarrantyLimited (1) Year Warranty

3. Motorola

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Black, and More, Motorola MB8600 DOCSIS 3.1 Cable Modem, Cox Gigablast, 6 Gbps Max Speed. Approved for Comcast Xfinity Gigabit

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Motorola #ad - A 10/100/1000 gigabit ethernet port allows connection of any single device with an Ethernet port including a router, HDTV, Google Wi-Fi, including Whole Home Wi-Fi or Mesh routers like eero, or game station. Approved by comcast xfinity and xfinity x1, cox, at&t, frontier, DSL, available from Verizon, CenturyLink, or satellite services, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast.

The mb8600 also includes a full-band capture digital tuner to enhance speed and save energy. No cable modem is compatible with fiber optic, and others. Not compatible with RCN. Top internet speeds for all multi-gigabit speed tiers - wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans.

Save money - eliminate up to 168 dollars per year in cable modem rental fees savings are shown for comcast xfinity and vary by cable service provider. Built-in doCSIS 3. 1 and docsiS 3. 0 32x8 capabilities give top Internet speeds for all cable Internet services. Active queue management aqm - aqm significantly reduces internet latency on both docsIS 3. 1 and 3.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Width2.25 Inches
Part NumberMB8600-10
ModelMB8600
Warranty2 YEAR MANUFACTURER

4. ARRIS

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ARRIS SURFboard T25 DOCSIS 3.1 Gigabit Cable Modem, Certified for Xfinity Internet & Voice black

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ARRIS #ad - Two 1-gigabit ethernet ports and 2 Telephony ports for Xfinity digital voice service. Best for xfinity internet speed plans up to 2 Gbps. Certified to work with Xfinity internet & voice service Not certified for use with other cable internet service providers. Finity internet service required Does not include Wi-Fi. Docsis 3 1 cable modem with 32 downstream x 8 upstream docsis 3 0 channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels.
BrandARRIS #ad
ManufacturerCommScope #ad
Part NumberT25
ModelT25
Warranty2 Year

5. Motorola

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DOCSIS 3.0. Approved by Comcast Xfinity, Cox, and More. Downloads 1,000 Mbps Maximum No WiFi, Model MB7621, Motorola 24x8 Cable Modem, Time Warner Cable, Charter Spectrum

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Motorola #ad - Experienced usa-based Motorola customer support specialists are happy to help if you need them. This cable modem's one gigabit ethernet port connects to a wifi router, game station, and orbi. Model mb7621 is recommended for actual cable internet service speeds up to 650 Mbps.

Requires cable internet service. Approved by and for use with comcast xfinity and xfinity x1, centurylink, rcn, and other cable service providers. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Wirecutter rates this “the best modem for most people. A full-band capture Digital Tuner ensures faster, more reliable Internet. Great for use with whole home wifi or mesh networks like eero, computer, HDTV, Google WiFi, MG7540, MG7550, and MG7700 have a built-in wireless router.

The motorola mg7315, or streaming video device. This cable modem does not have a built-in wireless router or telephone call capability. Includes phone and web support by friendly, professional USA-based technical support specialists. Setup is fast and easy using the quick start guide. Savings are shown for Xfinity and vary by cable service provider.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Width2.25 Inches
Part NumberMB7621-10
ModelMB7621
Warranty2 YEAR MANUFACTURER

6. NETGEAR

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NETGEAR Nighthawk Cable Modem Wi-Fi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Cox for Cable Plans Up to 400 Mbps | AC1900 Wi-Fi Speed | DOCSIS 3.0, Spectrum

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NETGEAR #ad - Modem technology: engineered with 24x8 channel bonding and DOCSIS 3. 0 Versatile connections: 4 gigabit ethernet ports and 2 USB ports give you fast wired connections to your computer, storage drive, printer, game box, and other devices.

Built for fast speed: best for cable provider plans up to 400 Mbps speed. Fast wi-fi performance: get up to 1800 square feet wireless coverage and 30 devices connected with AC1900 speed up to 1900 Mbps. Save monthly rental fees: model c7000 replaces your cable modem and Wi-Fi router, saving you up to $168/year in equipment rental fees. Modem technology: engineered with 32x8 channel bonding and DOCSIS 3. 1. Note: refer to page 102 of user guide for troubleshooting steps.
BrandNETGEAR #ad
ManufacturerNetgear Inc #ad
Height1.7 Inches
Length9.6 Inches
Width8.3 Inches
Part NumberC7000-1AZNAS
ModelC7000-1AZNAS
WarrantyLimited (1) Year Warranty

7. NETGEAR

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CM1000-1AZNAS Renewed, NETGEAR Gigabit Cable Modem 32x8 DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity

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NETGEAR #ad - 0 . Eliminate monthly cable modem rental fees - up to $156 per year. 1 is ofdm 2x2+ docsiS 3. 1 specifications and is backward compatible with DOCSIS 3. Meets docsIS 3. System requirements- cable broadband internet service, 8, vista, microsoft internet explorer 5.

0, otherwise this modem will only work as a docsis 3. 0 modem, xp, mac os, or other operating systems running a TCP/IP network, 2000, Safari 1.4, please check your cable internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3. 1 service, Firefox 2. 0, 10, microsoft windows 7, or Google Chrome 11.0 browsers or higher. 1 up to 10x faster download speeds than docsis 3. Not compatible with cable bundled voice services. Docsis 3. Separate router required for Wi-Fi. Cm1000-1aznas is not compatible with: verizon, AT&T, or CenturyLink. Docsis 3. 0 32x8 channel bonding. 0 networks.
BrandNETGEAR #ad
ManufacturerNetgear #ad
Height4.53 Inches
Length10.24 Inches
Width7.24 Inches
Part NumberCM1000-1AZNAS
ModelCM1000-100NAS
Warranty90 days limited warranty

8. ARRIS

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Xfinity & others black, ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi Router, Approved for Cox, Spectrum

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ARRIS #ad - 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. Cable internet service required.

Wave 2 ac2350 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports. 3 products in 1: docsis 3 1 cable modem, ac2350 dual band Wi-Fi, 4 port Gigabit Router cable digital voice service not supported. 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. Compatible with major u s cable internet providers including Cox, Verizon, Xfinity & others Cable internet service required Not compatible with ATT, Spectrum, CenturyLink or other DSL or Fiber internet providers.
BrandARRIS #ad
ManufacturerARRIS Solutions #ad
Height9.33 Inches
Length2.87 Inches
Width8 Inches
Part NumberSBG8300
ModelSBG8300
Warranty2 years

9. Motorola

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Approved for Comcast Xfinity Gigabit and More., MOTOROLA MB8611 DOCSIS 3.1 Cable Modem with 2.5G Ethernet

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Motorola #ad - This cable modem does NOT have a built-in wireless router or telephone call capability. Active queue management aqm: reduced internet latency for faster page loading and better response time from your interactive applications like online gaming and video conferencing.

Compatibility - plugs easily into any wifi router for shared internet access by all your WiFi and ethernet-capable devices. Full-band capture digital tuner enhances speed and saves energy. Savings are shown for Comcast Xfinity and vary by cable service provider. Ultra-fast docsis 3. 1 performance - model mb8611 supports the fastest docsis 3. 1 cable modem services available for all multi-gigabit speed tiers, complete with fallback to 32x8 DOCSIS 3.

0 approved by comcast Xfinity for all speeds including Comcast Gigabit services. Flexible connection: a 2. 5g ethernet port to work with even the fastest routers and Personal Computers, providing downstream speeds just below 2, 500 Mbps and upstream speeds up to 800 Mbps when supported by your cable service speed. Cost-saving solution: owning your own modem typically saves the average home $156 per year in monthly rental charges.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Width2.25 Inches
Part NumberMB8611-10
ModelMB8611