Finding your suitable xfinity modem docsis 3.1 is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best xfinity modem docsis 3.1 including detail information and customer reviews. Let’s find out which is your favorite one.

Best xfinity modem docsis 3.1

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Best xfinity modem docsis 3.1 reviews

1. Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0

Feature

Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this the best modem for most people. 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 MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
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 fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
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.
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.

2. Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router

Feature

Fast 24x8 DOCSIS 3.0 cable Modem Plus a built-in AC1900 Dual band (2.4GHz and 5GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. The maximum modem speed is 1000 Mbps, supporting service speeds up to 650.
Eliminate up to $156 per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified by all leading cable service providers including Comcast Xfinity, Cox, Charter spectrum (no cable Modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.
Wireless power boost for better speed and range - 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 Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range
Minimize shelf space and improve cooling - integrating the cable Modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design looks great in any home or office. A two-year warranty is the longest in the the industry. Rugged Lightning and Power Surge circuits further protect your investment.

3. ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem | Approved for Cox, Xfinity, Spectrum & others | White , Max Internet Speed Plan 1000 Mbps

Feature

Compatible with major U S Cable Internet Providers including Cox, Xfinity & others Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
DOCSIS 3 1 Cable Modem best for cable internet speed plans up to 2 Gbps. Note, a 2nd IP address is required from your cable internet provider to reach 2 Gbps.
32 downstream x 8 upstream DOCSIS 3 0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
Two 1-Gigabit Ethernet ports capable of link aggregation
Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service

4. 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

Feature

THREE-IN-ONE CABLE MODEM, AC1900 ROUTER, AND XFINITY COMPATIBLE VOICE PORTS - Includes 24X8 DOCSIS 3. 0 cable modem, AC1900 Dual Band (2. 4GHz and 5GHz) Gigabit Router, four Gigabit (GigE) Ethernet ports, and two XFINITY Voice compatible phone ports. This product is approved by Comcast for Xfinity Internet and Voice, and recommended by Comcast for XFINITY Internet service speeds up to 400 Mbps.
REQUIRES COMCAST XFINITY INTERNET SERVICE. Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other Internet service provider.
ELIMINATE UP TO $156 IN CABLE MODEM RENTAL FEES PER YEAR Say goodbye to monthly rental fees and landline phone costs.
BUILT-IN HIGH-SPEED ROUTER WITH AC1900 WIRELESS AND POWER BOOST - provides Internet access for WiFi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable modem chipset provides security from Denial of Service attacks.
WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2. 4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range. NOT included is a backup battery option (Model 98250) that allows your phone to make calls for 8 hours on standby after power loss.

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

Feature

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)
Compatible with major U S Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
16 downstream & 4 upstream channels. Best for cable internet service plans up to 400 Mbps.
Wi-Fi 5 AC1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports
Setup and manage your network with the SURFboard Manager app

6. ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (Black), 800 Mbps Internet Plan

Feature

Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers.
DOCSIS 3.0 Cable Modem best for cable internet speed plans up to 600 Mbps
32 downstream x 8 upstream DOCSIS 3.0 bonded channels
1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.

7. Arris SURFboard (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for Xfinity, Spectrum, Cox & More (SBG6950AC2),Black

Feature

3 products in 1: DOCSIS 3.0 Cable Modem, AC1900 dual-band Wi-Fi Router, 4 Port Gigabit Ethernet Router (cable digital voice service not supported)
Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
16 downstream & 4 upstream DOCSIS 3.0 bonded channels. Best for cable internet speed plans up to 400 Mbps.
Wi-Fi 5 AC1900 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
Setup and manage your network with the SURFboard Manager app

8. NETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more

Feature

ELIMINATE MONTHLY CABLE MODEM RENTAL FEES Up to $120 per year
Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements 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
Up to 340Mbps modem speed and Dual Band N450 (2.4GHz & 5GHz) WiFi speed. 8x4 channel bonding, Denial of Service (DoS) attack prevention
DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
Ideal for streaming HD videos, faster downloads, and high speed online gaming
Required for the fastest cable Internet speed tiers.Use with an N300 adapter like NETGEAR WNA3100 for maximum performance
Compatibe with Xfinity from Comcast, Spectrum, Cox, & more. Not compatible with bundled voice services..Wifi technology:802.11n Dual Band Gigabit

9. ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more (SB6183 Black)

Feature

Tom's guide #1 cable Modem choice 2 years in a row. Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers.
DOCSIS 3.0 Cable Modem best for cable internet speed plans up to 400 Mbps
16 downstream x 8 upstream DOCSIS 3.0 bonded channels
1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.

10. NETGEAR Nighthawk Cable Modem WiFi Router Combo (C7800) - Compatible with Cable Providers Including Xfinity by Comcast, Cox, Spectrum | Cable Plans Up to 2 Gigabits | AC3200 WiFi Speed | DOCSIS 3.1

Feature

Compatible with all major cable internet providers: Including certification by Xfinity by Comcast and COX. NOT compatible with Spectrum, Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model C7800 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees.
Built for ultimate speed: best for cable provider plans up to 2 gigabits speed.
Fast wifi performance: Get up to 3000 sq ft wireless coverage and 45 devices connected with AC3200 speed (up to 3200 Mbps).
Versatile connections: 4 Gigabit Ethernet ports and 2 hi-speed USB 3.0 ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices.
Modem technology: Engineered with 32x8 channel bonding and DOCSIS 3.1.
Safe & secure: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols.

Conclusion

All above are our suggestions for xfinity modem docsis 3.1. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using xfinity modem docsis 3.1 with us by comment in this post. Thank you!
Trevor Marshall