Top 10 Xfinity Modem DOCSIS 3.1 – Computer Networking Modems

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1. ARRIS

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

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ARRIS #ad - Note, a 2nd ip address is required from your cable internet provider to reach 2 Gbps. 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. 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. Docsis 3 1 cable modem best for cable internet speed plans up to 2 Gbps.
BrandARRIS #ad
ManufacturerARRIS Solutions, Inc. #ad
Height5.25 Inches
Length5.13 Inches
Width1.7 Inches
Part NumberSB8200
ModelSB8200
Warranty2 Year

2. Motorola

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

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Motorola #ad - No cable modem is compatible with fiber optic, or satellite services, CenturyLink, Cox, AT&T, Frontier, DSL, available from Verizon, and others. Approved by comcast xfinity and Xfinity X1, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast.

Proactive network security - A broadcom chipset provides advanced security from denial-of service attacks. This cable modem does not have a built-in wireless router or telephone call capability. Flexible compatibility - pair with any wi-fi router you’d like, including whole home wi-fi or mesh routers like eero, google Wi-Fi, and Orbi. A 10/100/1000 gigabit ethernet port allows connection of any SINGLE device with an Ethernet port including a router, HDTV, Windows or Mac computer, or game station.

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. Top internet speeds for all multi-gigabit speed tiers - wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans. Not compatible with RCN. Built-in doCSIS 3. 1 and docsiS 3. 0 32x8 capabilities give top Internet speeds for all cable Internet services.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Weight0.07 Pounds
Width2.25 Inches
Part NumberMB8600-10
ModelMB8600
Warranty2 YEAR MANUFACTURER

3. NETGEAR

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Spectrum, 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

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NETGEAR #ad - Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router. Built for ultimate speed: Best for cable provider plans up to 1 gigabit speed.

Not compatible with Verizon, DISH and any bundled voice service. Compatible with all major cable internet providers: including certification by Xfinity by Comcast, DSL providers, AT&T, DirecTV, CenturyLink, COX, and Spectrum. Save monthly rental fees: model cM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees. Works with any wi-fi router: connect any Wi-Fi router to this modem's Ethernet port to support all your wireless devices.
BrandNETGEAR #ad
ManufacturerNetgear Inc #ad
Height5.9 Inches
Length8.8 Inches
Width5.4 Inches
Part NumberCM1000-1AZNAS
ModelCM1000-1AZNAS
WarrantyLimited (1) Year Warranty

4. Motorola

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

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Motorola #ad - 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, Google WiFi, MG7540, HDTV, and Orbi.

This cable modem's one gigabit ethernet port connects to a wifi router, computer, mg7550, or streaming video device. Model mb7621 has no phone jack. The motorola mg7315, game station, and MG7700 have a built-in wireless router. Model mb7621 is recommended for actual cable internet service speeds up to 650 Mbps. Attractive, compact design minimizes shelf space, and extends product life while looking great in any home or office. Requires cable internet service.

Approved by and for use with comcast xfinity and xfinity x1, cableone, cox, charter spectrum, at&t, centurylink, and other cable service providers. Support is in English or Spanish. Setup is fast and easy using the quick start guide. Includes phone and web support by friendly, improves cooling, professional USA-based technical support specialists. No cable modem is compatible with fiber optic, BrightHouse, Frontier, SuddenLink, or satellite services from Verizon, RCN, DSL, Time Warner Cable, and others.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Weight0.07 Pounds
Width2.25 Inches
Part NumberMB7621-10
ModelMB7621
Warranty2 YEAR MANUFACTURER

5. 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 - 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.

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. Savings are shown for Comcast Xfinity and vary by cable service provider. 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.

Cost-saving solution: owning your own modem typically saves the average home $156 per year in monthly rental charges. Full-band capture digital tuner enhances speed and saves energy. This cable modem does NOT have a built-in wireless router or telephone call capability. Compatibility - plugs easily into any wifi router for shared internet access by all your WiFi and ethernet-capable devices.
BrandMotorola #ad
ManufacturerMTRLC LLC #ad
Height7.88 Inches
Length7.25 Inches
Weight0.07 Pounds
Width2.25 Inches
Part NumberMB8611-10
ModelMB8611

6. ARRIS

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

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ARRIS #ad - Compatible with major u s cable internet providers including Cox, Xfinity & others Cable internet service required Not compatible with ATT, Spectrum, Verizon, CenturyLink or other DSL or Fiber internet providers.

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. 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. 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. Cable internet service required.
BrandARRIS #ad
ManufacturerARRIS Solutions #ad
Height9.33 Inches
Length2.87 Inches
Weight3.24 Pounds
Width8 Inches
Part NumberSBG8300
ModelSBG8300
Warranty2 years

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 - 1 up to 10x faster download speeds than docsis 3. Meets docsIS 3. Docsis 3. System requirements- cable broadband internet service, xp, vista, mac os, 10, otherwise this modem will only work as a docsis 3.

0 modem, microsoft windows 7, 2000, Microsoft Internet Explorer 5.0, 8, please check your cable internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3. 1 service, Safari 1. 4, or other operating systems running a TCP/IP network, Firefox 2. 0, or google Chrome 11. 0 browsers or higher. Docsis 3.

0 32x8 channel bonding. 0 Separate router required for Wi-Fi. Cm1000-1aznas is not compatible with: verizon, AT&T, or CenturyLink. 0 networks. 1 specifications and is backward compatible with DOCSIS 3. Not compatible with cable bundled voice services. 1 is ofdm 2x2+ docsiS 3. Support all cable internet speed tiers, up to Gigabit 1000 Mbps service.
BrandNETGEAR #ad
ManufacturerNetgear #ad
Height4.53 Inches
Length10.24 Inches
Width7.24 Inches
Part NumberCM-1000-100NAR
ModelCM1000-100NAS
Warranty90 days limited warranty

8. ARRIS

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

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ARRIS #ad - 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. Best for xfinity internet speed plans up to 2 Gbps. Two 1-gigabit ethernet ports and 2 Telephony ports for Xfinity digital voice service. Certified to work with Xfinity internet & voice service Not certified for use with other cable internet service providers.
BrandARRIS #ad
ManufacturerCommScope #ad
Weight1.7 Pounds
Part NumberT25
ModelT25
Warranty2 Year

9. ARRIS

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Xfinity & others black, ARRIS SURFboard SBG10 DOCSIS 3.0 Cable Modem & AC1600 Dual Band Wi-Fi Router, Approved for Cox, Spectrum

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ARRIS #ad - Compatible with major u s cable internet providers including Cox, Spectrum, Verizon, Xfinity & others. Cable internet service required. Setup and manage your network with the SURFboard Manager app. Best for cable internet service plans up to 400 Mbps. Not compatible with atT, CenturyLink or other DSL or Fiber internet providers. Wi-fi 5 ac1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports. 16 downstream & 4 upstream channels. 3 products in 1: docsis 3 0 cable modem, ac1600 dual-band Wi-Fi Router, 2 Port Gigabit Ethernet Router cable digital voice service not supported.
BrandARRIS #ad
ManufacturerARRIS Solutions, Inc. #ad
Height6.58 Inches
Length6.77 Inches
Weight1.96 Pounds
Width1.97 Inches
Part NumberSBG10
ModelSBG10
Warranty2 years

10. NETGEAR

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For XFINITY by Comcast, NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, and Cox. Compatible with Gig-Speed from Xfinity CM1000, Spectrum

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NETGEAR #ad - Support all cable internet speed tiers, up to Gigabit 1000 Mbps service. Compatible with xfinity from Comcast, Cox, Mediacom Cable, and more. Not compatible with bundled voice services. Eliminate monthly cable modem rental fees - Up to $120 per year;32 downstream and 8 upstream channels for DOCSIS 3. 0 connection. Separate router required for WiFi. Docsis 3. 1 up to 10x faster download speeds than docsis 3. 0 . Not compatible with: verizon, AT&T, or CenturyLink. Docsis 3. 1 is ofdm 2x2+ docsiS 3. 0 32x8 channel bonding.
BrandNETGEAR #ad
ManufacturerNetgear Inc #ad
Height8.8 Inches
Length5.4 Inches
Weight0.84 Pounds
Width5.9 Inches
Part NumberCM1000-100NAS
ModelCM1000-100NAS
WarrantyThis product comes with a limited warranty that is valid only if purchased from a NETGEAR authorized reseller