For those of you looking for routers for xfinity 400mbps, we have created a list that will simplify the decision-making process. In this list, you’ll discover details and an overview of the top 10 routers for xfinity 400mbps. You will also find the buying guide on things to consider while shopping for the best routers for xfinity 400mbps.

Those of you who are short on time can find a quick comparison table of the best routers for xfinity 400mbps below. Take a look at our top picks! Check out our helpful reviews and find out which products are worth the money. Keep reading to learn more.

Best routers for xfinity 400mbps

IMAGE PRODUCT RATING
EDITOR’S CHOICE

NETGEAR Cable Modem with Built-in WiFi Router (C6230) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - for Cable Plans Up to 400Mbps - AC1200 WiFi Speed - DOCSIS 3.0

NETGEAR Cable Modem with Built-in WiFi Router (C6230) – Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox – for Cable Plans Up to 400Mbps – AC1200 WiFi Speed – DOCSIS 3.0
9.8
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PREMIUM PICK

NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) Certified for Xfinity from Comcast, Spectrum, Cox, & More (Renewed)

NETGEAR Nighthawk AC1900 (24×8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) Certified for Xfinity from Comcast, Spectrum, Cox, & More (Renewed)
9.6
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PREMIUM CHOICE

Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)

Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)
9.2
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Linksys EA3500 - Dual-Band N750 Router with Gigabit and USB (Renewed) Linksys EA3500 – Dual-Band N750 Router with Gigabit and USB (Renewed)
8.7
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NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0 NETGEAR Cable Modem CM500 – Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0
8.4
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ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (Black), 800 Mbps Internet Plan NETGEAR Cable Modem CM500 – Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0
8.2
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TP-Link AC1750 Smart WiFi Router (Archer A7) -Dual Band Gigabit Wireless Internet Router for Home, Works with Alexa, VPN Server, Parental Control, QoS TP-Link AC1750 Smart WiFi Router (Archer A7) -Dual Band Gigabit Wireless Internet Router for Home, Works with Alexa, VPN Server, Parental Control, QoS
7.7
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ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black), Max Download Speed: 1000 Mbps ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black), Max Download Speed: 1000 Mbps
7.3
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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 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
7.1
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ARRIS Surfboard SBG8300-RB DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi 5 Router, Approved for Cox, Spectrum, Xfinity & Others (RENEWED) ARRIS Surfboard SBG8300-RB DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi 5 Router, Approved for Cox, Spectrum, Xfinity & Others (RENEWED)
6.2
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NETGEAR Cable Modem with Built-in WiFi Router (C6230) – Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox – for Cable Plans Up to 400Mbps – AC1200 WiFi Speed – DOCSIS 3.0

EDITOR’S CHOICE

Specifications:

NETGEAR Cable Modem with Built-in WiFi Router (C6230) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - for Cable Plans Up to 400Mbps - AC1200 WiFi Speed - DOCSIS 3.0

$149.99
$69.97
 in stock
61 new from $60.00
12 used from $54.00
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • SPEEDS BY CARRIER: Xfinity (up to 300Mbps), Spectrum (up to 400Mbps), Cox (up to 250Mbps).
  • COMPATIBLE WITH MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, Spectrum, Cox, and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • FAST WIFI PERFORMANCE: Simultaneous dual-band WiFi provides coverage for medium sized homes with AC1200 speed (up to 1200Mbps)
  • SAVE MONTHLY RENTAL FEES: Replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees
  • VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give fast wired connections to your computer, printer, game box, storage drive, and other devices

NETGEAR Nighthawk AC1900 (24×8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) Certified for Xfinity from Comcast, Spectrum, Cox, & More (Renewed)

PREMIUM PICK

Specifications:

NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) Certified for Xfinity from Comcast, Spectrum, Cox, & More (Renewed)

$131.00  in stock
Amazon.com
as of August 13, 2022 1:48 am

Features

  • This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box.
  • Faster Wi-Fi- powerful Wi-Fi can reach up to 1. 9 Gaps for better Wi-Fi speeds
  • Ultimate download speeds- 24 DOWNLOAD and 8 UPLOAD channels for reliable and efficient internet access
  • Smooth streaming - stream HD content and game online at higher speeds with No interruptions. Reliable connection - 4 Gigabit Ethernet ports give you the fastest wired speeds to connect to your router or computer

Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)

PREMIUM CHOICE

Specifications:

Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)

$129.99
$109.99
 in stock
8 new from $109.99
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • input voltage:120 -240V
  • 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 Cable bundled voice services
  • SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees. System Requirements Cable broadband Internet service, Check your cable Internet service provider web site for data speed tier compatibility, Not compatible with Cable bundled voice services, 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
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed
  • FAST Wi Fi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps)

Linksys EA3500 – Dual-Band N750 Router with Gigabit and USB (Renewed)

Specifications:

Linksys EA3500 - Dual-Band N750 Router with Gigabit and USB (Renewed)

$23.99  in stock
Amazon.com
as of August 13, 2022 1:48 am

Features

  • The Linksys EA3500 offers fast speed to connect your computers, Internet-ready TVs, game consoles, and other Wi-Fi devices at transfer rates up to 300 + 450 Mbps speed for an optimal home network experience.
  • Built with leading 802.11n wireless technology, the Linksys EA3500 offers superior range to create a powerful wireless network.
  • Enhanced MIMO antenna array boosts signal strength to provide exceptional coverage and reliability so you can enjoy your wireless network from anywhere in your home.
  • Double your network bandwidth with dual-band N (2.4 and 5GHz) designed to avoid interference and maximize throughput for smoother and faster HD video streaming, file transfers, and wireless gaming.
  • The USB port lets you add a range of devices such as storage and printers to share files at home or over the Internet for greater access to more information.

NETGEAR Cable Modem CM500 – Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0

Specifications:

NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0

$72.95  in stock
3 new from $70.80
9 used from $42.00
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
  • Speeds by carrier: Spectrum (up to 400Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
  • Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
  • Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.

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

Specifications:

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

$99.99
$74.17
 in stock
7 new from $74.17
43 used from $47.37
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • 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 800 Mbps. Easily setup your modem with the SURFboard Central app
  • 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.

TP-Link AC1750 Smart WiFi Router (Archer A7) -Dual Band Gigabit Wireless Internet Router for Home, Works with Alexa, VPN Server, Parental Control, QoS

Specifications:

TP-Link AC1750 Smart WiFi Router (Archer A7) -Dual Band Gigabit Wireless Internet Router for Home, Works with Alexa, VPN Server, Parental Control, QoS

$79.99
$53.99
 in stock
28 new from $53.99
18 used from $37.99
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • OneMesh Compatible Router- Form a seamless WiFi when work with TP-Link OneMesh WiFi Extenders
  • Router for wireless internet, works with Alexa, compatible with all Wi-Fi devices, 802.11ac and older
  • Dual band router upgrades to 1750 Mbps high speed internet(450mbps for 2.4GHz, 1300Mbps for 5GHz), reducing buffering and ideal for 4K streaming
  • 3 external antennas for long range Wi-Fi. System Requirements-Internet Explorer 11, Firefox 12.0, Chrome 20.0, Safari 4.0, or other JavaScript-enabled browser. Cable or DSL Modem (if needed)
  • Gigabit Router with 4 Gigabit LAN ports, fast access to multiple connected wired devices, Ideal as a gaming router

ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black), Max Download Speed: 1000 Mbps

Specifications:

ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black), Max Download Speed: 1000 Mbps

$179.99
$145.98
 in stock
9 new from $145.98
13 used from $89.99
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • 3 products in 1: DOCSIS Cable Modem, AC2350 dual-band Wi-Fi, 4 port Gigabit Router (cable digital voice service not supported)
  • 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
  • 24 downstream & 8 upstream channels. Best for cable internet speed plans up to 600 Mbps. Cable internet service required
  • Wi-Fi 5 AC2350 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
  • Setup and manage your network with the SURFboard Manager app

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

Specifications:

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

$189.99  in stock
2 new from $189.99
1 used from $185.00
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • 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 Dollars 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.

ARRIS Surfboard SBG8300-RB DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi 5 Router, Approved for Cox, Spectrum, Xfinity & Others (RENEWED)

Specifications:

ARRIS Surfboard SBG8300-RB DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi 5 Router, Approved for Cox, Spectrum, Xfinity & Others (RENEWED)

$149.00  in stock
2 new from $147.51
Free shipping
Amazon.com
as of August 13, 2022 1:48 am

Features

  • 3 products in 1: DOCSIS 3 1 Cable Modem, AC2350 Dual band Wi-Fi, 4 port Gigabit 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
  • 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. Cable internet service required
  • Wave 2 AC2350 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
  • 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