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Top 10 Comcast Approved Cable Modems017 of 2020 – Consumer Guide & Reviews

SaleRank No. #1
NETGEAR Wi-Fi Range Extender EX3700 - Coverage Up to 1000 Sq Ft and 15 Devices with AC750 Dual Band Wireless Signal Booster & Repeater (Up to 750Mbps Speed), and Compact Wall Plug Design
  • Extended wireless coverage: Adds WiFi range coverage up to 1000 square feet, and connects up to 15 devices such as laptops, smartphones, speakers, IP cameras, tablets, IoT devices, and more
  • AC750 WIFI speed: Provides up to 750Mbps performance using dual band and patented FastLane technology
  • Universal compatibility: Works with any wireless router, gateway, or cable modem with wifi. The product may not be compatible with routers or gateways with firmware that has been altered, is based on open source programs, or is non standard or outdated
  • Wired ethernet port: Simply plug in game consoles, streaming players, or other nearby wired devices using the one 10/100M port for maximum speed
  • Safe & secure: Supports WEP and WPA/WPA2 wireless security protocols
Rank No. #2
NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download speeds. Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More
  • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are included with limited documentation and additional information online. Netgear recommends to udpate the firmware for the device to be up to date.
  • 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).
  • 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).
  • 8x4 channel bonding with Gigabit Ethernet Ports for fast wired, connections USB port to wirelessly share your hard drive.Double firewall protection (SPI and NAT firewall)
  • "Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if emailing customer support. See the attached (image) flyer to obtain the Serial Number and MAC Address information that maybe needed by your Cable provider before contacting them."
Rank No. #3
ARRIS SURFboard SB6141-RB 8x4 DOCSIS 3.0 Cable Modem (Renewed)
  • Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service.
  • Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Etherent port to connect to PC or Router.
  • 8 Download Channels and 4 Upload Channels capable of up to 343 Mbps download and 131 upload speeds. Recommended for Internet Plans up to 100 Mbps.
  • Supports both IPv4 and IPv6, the latest standard.
  • 90 Day Warranty. ARRIS Certified Refurbished. US Technical support. ARRIS Certified Refurbished products will ALWAYS be branded ARRIS, Never Motorola! If you get Motorola branded product they are illegitimate, need to be returned to Seller and Reported to Amazon
Rank No. #4
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum & Others.
  • MULTI-GIG NETWORKING: The SURFboard S33 features a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port for a 2nd network
  • Cable internet service required. Does NOT include Wi-Fi and does not support cable digital voice service.
  • DOCSIS 3.1 Cable Modem approved for cable internet speed plans up to 2.5 Gbps
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
  • Connects to any existing Wi-Fi router for blazing-fast internet.
Rank No. #5
Motorola MB8611 DOCSIS 3.1 Cable Modem, 6 Gbps Max Speed. Approved for Comcast Xfinity Gigabit, Cox Gigablast, Spectrum, and More, Black (2.5 Gbps Ethernet Port)
  • Works with Comcast XFINITY, Comcast Business, Cox Communications, Charter Spectrum and other US service providers Allows you to choose a preferred provider and data plan
  • Pairs with any WiFi router Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
  • Cost-saving solution: Owning your own modem typically saves the average home $156 per year in monthly rental charges. (Savings are shown for Comcast Xfinity and vary by cable service provider.)
SaleRank No. #6
NETGEAR Cable Modem with Built-in WiFi Router (C6230) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox | for Cable Plans Up to 300Mbps | AC1200 WiFi Speed | DOCSIS 3.0
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 300Mbps
  • 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
SaleRank No. #7
TP-Link AC1750 Smart WiFi Router (Archer A7) -Dual Band Gigabit Wireless Internet Router for Home, Works with Alexa, VPN Server, Parental Control, QoS
  • JD Power Award - Highest in customer satisfaction for wireless routers 2017 and 2019
  • 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
  • Gigabit Router with 4 Gigabit LAN ports, fast access to multiple connected wired devices, Ideal as a gaming router
SaleRank No. #8
ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & others , White , Max Internet Speed Plan 2000 Mbps
  • 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
  • others Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
  • Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service
SaleRank No. #10
NETGEAR Nighthawk Smart Wi-Fi Router, R6700 - AC1750 Wireless Speed Up to 1750 Mbps | Up to 1500 Sq Ft Coverage & 25 Devices | 4 x 1G Ethernet and 1 x 3.0 USB Ports | Armor Security
  • Recommended for up to 25 devices: Reliably stream videos, play games, surf the internet, and connect smart home devices
  • Wired Ethernet ports: Plug in computers, game consoles, streaming players, and other nearby wired devices with 4 x 1 gigabit Ethernet ports
  • Loaded with advanced technology: Designed with a 1GHz dual core processor, 3 amplified antennas, Beamforming plus, Dynamic QoS, Smart Connect, and more
  • USB connections: Share a storage drive or printer with any connected device or create a personal cloud storage to access from anywhere, using the 1 x 3.0 USB port
  • Safe & secure: Supports WPA2 wireless security protocols. Includes Guest Wi-Fi access, DOS, Firewall, VPN, and more.
SaleRank No. #11
NETGEAR Nighthawk Cable Modem with Voice CM1150V - for Xfinity by Comcast Internet & Voice, Supports Cable Plans Up to 2 Gigabits, 2 Phone Lines, 4 x 1G Ethernet Ports, DOCSIS 3.1
  • 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.
  • SAVE MONTHLY RENTAL FEES: Model CM1150V replaces your cable modem, saving you up to $168/year in equipment rental fees.
  • BUILT FOR ULTIMATE SPEED: Best for cable provider plans up to 2 Gigabits speed.
  • WORKS WITH ANY Wi-Fi ROUTER: Connect any Wi-Fi 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.
SaleRank No. #12
NETGEAR Nighthawk Cable Modem Wi-Fi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox for Cable Plans Up to 400 Mbps | AC1900 Wi-Fi Speed | DOCSIS 3.0
  • Save monthly rental fees: Model C7000 replaces your cable modem and Wi-Fi router, saving you up to $168/year in equipment rental fees.
  • Built for fast speed: best for cable provider plans up to 400 Mbps speed. Modem technology: Engineered with 24x8 channel bonding and DOCSIS 3.0.
  • Fast Wi-Fi performance: Get up to 1800 square feet wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps).
  • Versatile connections: 4 Gigabit Ethernet ports and 2 USB 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.
Rank No. #13
NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)
  • 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)
  • VERSATILE CONNECTIONS: 4 Gigabit Ethernet ports and 2 USB ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices
SaleRank No. #14
Motorola 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox, Charter Spectrum, Time Warner Cable, and More. Downloads 1,000 Mbps Maximum (No WiFi)
  • 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 1 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 2-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.
SaleRank No. #15
Motorola MG7700 24x8 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost, 1000 Mbps Maximum Docsis 3.0 - Approved by Comcast Xfinity, Cox and More
  • 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. 4 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 2-year warranty is the longest in the industry. Rugged Lightning and Power Surge circuits further protect your investment.
SaleRank No. #16
ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)
  • 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
Rank No. #17
ARRIS SURFboard SBG10 DOCSIS 3.0 Cable Modem & AC1600 Dual Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)
  • 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)
  • 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
  • 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.
SaleRank No. #18
TP-Link N300 WiFi Extender(TL-WA855RE)-WiFi Range Extender, up to 300Mbps speed, Wireless Signal Booster and Access Point, Single Band 2.4Ghz Only
  • Extend Wi-Fi Coverage - Boost Internet Wi-Fi Coverage up to 800 square feet - Compatible with any Wi-Fi Router, Gateway, Access Point
  • Eliminate Wi-Fi Dead Zones - Enjoy Lag-Free connection to any type of devices, including wired devices via Ethernet Port
  • Stay connected - Expand Wi-Fi coverage for your Smart Phones, Smart TV, Fire Stick, Google Chromecast, Web Browsing, Alexa Echo, Ring and more
  • Easy Set Up - 2 simple taps and you are ready to connect, smart indicator light helps to install in best optimal location
  • Single Band 2.4GHz - 2 external Antennas with MIMO technology for improved range versus standard range extenders
SaleRank No. #19
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
  • 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.
  • 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.)
  • 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 dollar or more per year
  • 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.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.
SaleRank No. #20
NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox. Compatible with Gig-Speed from Xfinity (CM1000)
  • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for WiFi.
  • 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
  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $120 per year;32 downstream and 8 upstream channels for DOCSIS 3.0 connection
  • Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services.
  • Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more.

Last update on 2021-04-28 / Affiliate links / Images from Amazon Product Advertising API

We’ve made a buying guide of top 10 Comcast Approved Cable Modems017 for our consumer to review. The reports above show ratings of the best overal, best cheap Comcast Approved Cable Modems017 to buy in 2020.

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