20 Best Arris Cm820a Modem [2024]

Are you looking for the best arris cm820a modem? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling arris cm820a modem.

We Recommended:

# Preview Product
1 Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing] (Renewed) Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing] (Renewed)
2 ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation) ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)
3 Arris CM820A Cable Modem DOCSIS 3.0 (Renew). Arris CM820A Cable Modem DOCSIS 3.0 (Renew).
4 Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing] Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing]
5 ARRIS SURFboard SBG6400 8x4 DOCSIS 3.0 Cable Modem / N300 Wi-Fi Router-Retail Packaging-White ARRIS SURFboard SBG6400 8x4 DOCSIS 3.0 Cable Modem / N300 Wi-Fi Router-Retail Packaging-White
6 ARRlS Surfboard CM820A Cable Modem Docsis 3.0 ARRlS Surfboard CM820A Cable Modem Docsis 3.0
7 ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox,... ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox,...
8 ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum,... ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter...
9 ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router | Comcast Xfinity,... ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router | Comcast...
10 Arris Touchstone TM1602A DOCSIS 3.0 Upgradeable 16x4 Telephony Modem for TWC & OPTIMUM Arris Touchstone TM1602A DOCSIS 3.0 Upgradeable 16x4 Telephony Modem for TWC & OPTIMUM
11 ARRIS SURFboard SBV2402 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port | 2... ARRIS SURFboard SBV2402 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port |...
12 Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast... Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for...
13 ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast... ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast...
14 NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including... NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including...
15 NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download... NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download...
16 Fremont & Harris Razor Mens Ripped Super Skinny Fit Stretch Denim Jeans (Light, 34W / 30L) Fremont & Harris Razor Mens Ripped Super Skinny Fit Stretch Denim Jeans (Light, 34W / 30L)
17 NETGEAR Nighthawk Cable Modem with Built-in WiFi 6 Router (CAX80) - Compatible with All Major Cable... NETGEAR Nighthawk Cable Modem with Built-in WiFi 6 Router (CAX80) - Compatible with All Major...
18 ARRIS SURFboard SBG7600AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast... ARRIS SURFboard SBG7600AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast...
19 Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and... Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and...
20 ARRIS SURFboard SBV3202 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port | 2... ARRIS SURFboard SBV3202 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port |...
Bestseller No. 1
Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing] (Renewed)
  • Compatible with Comcast, Time Warner, Spectrum Charter, Suddenlink & Mediacom
  • Call Your Provider to Verify Compatibility Before Ordering
  • DOCSIS 3.0 Cable Modem Only - WiFi Router Not Included
  • 8x4 Channel Bonding Supports Wired Internet Download Speeds up to 343 Mbps
  • Features 1 Gigabit Ethernet Port for Wired Connections to PC or WiFi Router
SaleBestseller No. 2
ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)
  • 8x4 bonded downstream/upstream channel for superior throughput
  • Built in MoCA® immunity filter
  • Two independent 96MHz wide RF tuners to receive downstream channels up to 1GHz
  • Meet or exceed industry radiated immunity and surge requirements
  • Please check with your Internet Service Provider for compatibility in your home or office
Bestseller No. 4
Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem [Bulk Packaing]
  • NOTE: Customer's must verify if their cable company will allow them to use this prior to purchasing even if they have the exact same model some of...
  • Verify compatibility prior to purchasing. Ask internet provider to format item if it is not working through either a firmware update or the internet...
  • Backwards compatible with DOCSIS 1.0, 1.1, and 2.0 . CM820A DOCSIS 3.0 compliant. Comcast Compatible! (and more!)
  • 8x4 downstream/upstream channel-bonding with superior throughput. Note: please contact the ISP to check the compatibility. Note: please contact the...
  • Best troubleshooting advice for this item: 1) Always verify if your cable company will allow you to use or own this item 2) Always do the online setup...
Bestseller No. 5
ARRIS SURFboard SBG6400 8x4 DOCSIS 3.0 Cable Modem / N300 Wi-Fi Router-Retail Packaging-White
  • Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet...
  • Two-in-one 8x4 DOCSIS 3.0 Cable Modem + N300 WiFi 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.
  • Wi-Fi Router is very basic 2.4 GHz only N300, not suitable for congested population areas. Can easily be disabled to use as a modem only and ADD a...
  • 2 year warranty with US based customer service.
Bestseller No. 6
ARRlS Surfboard CM820A Cable Modem Docsis 3.0
  • 8x4 downstream/upstream channel-bonding with superior throughput. Note: please contact the ISP to check the compatibility. Note: please contact the...
  • Best troubleshooting advice for this item: 1) Always verify if your cable company will allow you to use or own this item 2) Always do the online setup...
  • Verify compatibility prior to purchasing. Ask internet provider to format item if it is not working through either a firmware update or the internet...
SaleBestseller No. 7
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox,...
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard S33 DOCSIS 3.1 Cable Modem is designed to bring you...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service...
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better...
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a...
  • Compatibility: The SURFboard S33 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity...
SaleBestseller No. 8
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum,...
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service...
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better...
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a...
  • Compatibility: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity...
SaleBestseller No. 9
ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router | Comcast Xfinity,...
  • A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product! With the ARRIS SURFboard SBG10 Wi-Fi Cable Modem, you...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service...
  • Modem Technology: DOCSIS 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up...
  • Compatibility: The SURFboard SBG10 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved...
Bestseller No. 10
Arris Touchstone TM1602A DOCSIS 3.0 Upgradeable 16x4 Telephony Modem for TWC & OPTIMUM
  • Compatible with Time Warner Cable, Charter, Spectrum, Optimum Cable, Cablevision, and Other US Cable Internet Service Providers
  • Features 16x4 Channel Bonding & Embedded Multimedia Terminal Adapter (E-MTA)
  • Includes 2 Primary VoIP Telephone Lines + 1 Gigabit Ethernet Port
  • DOCSIS 3.0 Cable Modem Supporting Wired Download Speeds up to 960Mbps
  • Telephone Modem Only - WiFi Router Purchased Separately
SaleBestseller No. 11
ARRIS SURFboard SBV2402 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port | 2...
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SBV2402 DOCSIS 3.0 Cable Modem is designed to bring you...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees. For use with Xfinity Internet &...
  • Modem Technology: DOCSIS 3.0 is an reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a...
  • Compatibility: The SURFboard SBV2402 is compatible with Xfinity Internet & Voice servive and is approved for cable internet speed plans up to 800...
SaleBestseller No. 12
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast...
  • Ultra-fast DOCSIS 3.1 performance - Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward...
  • 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...
  • Multi-gigabit Ethernet speed - A 2.5 GB Ethernet port delivers true high-speed connectivity to even the fastest routers and computers, providing...
  • Fast streaming, conferencing, gaming - Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online...
  • Extreme cost savings - Owning your own modem typically saves the home $168 per year in monthly rental charges. (Savings described is for Comcast...
SaleBestseller No. 13
ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast...
  • A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product! With the ARRIS SURFboard SBG7400AC2 Wi-Fi Cable...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service...
  • Modem Technology: DOCSIS 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up...
  • Compatibility: The SURFboard SBG7400AC2 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's...
Bestseller No. 14
NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including...
  • Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. Not compatible with Verizon,...
  • Save monthly rental fees: Model CM700-1AZNAS replaces your cable modem saving you up to 168 Dollars/year in equipment rental fees.
  • Speeds by carrier: Xfinity (up to 800Mbps), Cox (up to 500Mbps), Spectrum (up to 400Mbps).
  • Works with any Wi-Fi router: Connect any Wi-Fi 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 Wi-Fi router.
Bestseller No. 15
NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download...
  • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are...
  • 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...
  • Certified to work with Cable Internet Providers like XFINITY from Comcast, Time Warner Cable, Cox, Cablevision, Bright House Networks, & More (Not...
  • 8x4 channel bonding with Gigabit Ethernet Ports for fast wired, connections USB port to wirelessly share your hard drive.Double firewall protection...
  • "Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if...
Bestseller No. 16
Fremont & Harris Razor Mens Ripped Super Skinny Fit Stretch Denim Jeans (Light, 34W / 30L)
  • Super skinny fit
  • Tapered leg
  • Classic 5 pocket styling – 3 front & 2 back
  • Ripped, frayed & distressed detail
  • Model is 6'1, weighs 75kg and wears 30W / 32L
SaleBestseller No. 17
NETGEAR Nighthawk Cable Modem with Built-in WiFi 6 Router (CAX80) - Compatible with All Major Cable...
  • COMPATIBLE WITH MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, Spectrum, Cox, and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL...
  • BUILT FOR ULTIMATE SPEED: Best for cable provider plans up to 6Gbps
  • FAST WIFI 6 PERFORMANCE: Up to 3,000 sq. ft. wireless coverage with dual-band WiFi 6 (AX6000) speed (up to 6Gbps)
  • VERSATILE CONNECTIONS: One 2.5 Gigabit Ethernet port, 4 Gigabit Ethernet ports and one USB 3.0 port give fast wired connections to your computer,...
  • MODEM TECHNOLOGY: DOCSIS 3.1 and 32x8 channel bonding
Bestseller No. 18
ARRIS SURFboard SBG7600AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router | Approved for Comcast...
  • A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product! With the ARRIS SURFboard SBG7600AC2 Wi-Fi Cable...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service...
  • Modem Technology: DOCSIS 3.0 Cable Modem with AC2350 Wi-Fi Router that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up...
  • Compatibility: The SURFboard SBG7600AC2 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's...
SaleBestseller No. 19
Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and...
  • 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,...
  • Eliminate up to 156 dollars per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified...
  • Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks,...
  • Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit,...
SaleBestseller No. 20
ARRIS SURFboard SBV3202 DOCSIS 3.0 Cable Modem | Comcast Xfinity Internet & Voice | 1 Gbps Port | 2...
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees. For use with Xfinity Internet &...
  • Modem Technology: DOCSIS 3.0 is an reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a...
  • Compatibility: The SURFboard SBV3202 is compatible with Xfinity Internet & Voice service and is approved for cable internet speed plans up to 800...

Having trouble finding a great arris cm820a modem?

This problem is well understood by us because we have gone through the entire arris cm820a modem research process ourselves, which is why we have put together a comprehensive list of the best arris cm820a modems available in the market today.

After hours of searching and using all the models on the market, we have found the best arris cm820a modem for 2023. See our ranking below!

How Do You Buy The Best Arris Cm820a Modem?

Do you get stressed out thinking about shopping for a great arris cm820a modem? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching arris cm820a modem, which is why we have assembled a comprehensive list of the greatest arris cm820a modem available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for arris cm820a modem that you consider buying. Your questions might include the following:

  • Is it worth buying an arris cm820a modem?
  • What benefits are there with buying an arris cm820a modem?
  • What factors deserve consideration when shopping for an effective arris cm820a modem?
  • Why is it crucial to invest in any arris cm820a modem, much less the best one?
  • Which arris cm820a modem are good in the current market?
  • Where can you find information like this about arris cm820a modem?

We’re convinced that you likely have far more questions than just these regarding arris cm820a modem, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for arris cm820a modem, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible arris cm820a modem. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an arris cm820a modem buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available arris cm820a modem currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of arris cm820a modem has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an arris cm820a modem?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your arris cm820a modem.
  5. Customer Ratings: Number ratings grade arris cm820a modem objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their arris cm820a modem.
  7. Product Quality: You don’t always get what you pay for with an arris cm820a modem, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an arris cm820a modem is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining arris cm820a modem information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding arris cm820a modem is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What can one do with an arris cable modem?

A: What the different Arris modem lights are, What it means when they turn on,turn off,or start flashing, And how to troubleshoot the issues using the modem lights as your guide.

Q: How do I manually configure my Arris cable modem?

A: Launch a web browser,such as Internet Explorer,Firefox,or Safari. Enter http://192.168.0.1 into the address box,and press the Enter key. … On the Login page: a. … Click the LAN Setup tab on the top menu. … On the LAN Settings page: a. … Click the OK button when the following window appears: Restarting your router is recommended when NAT settings change. …

Q: How to fix an arris modem?

A: – Turn off and unplug the power from your modem. – Remove the Ethernet cable (generally blue) from the computer’s Ethernet connection port (leave it connected to the LAN modem), if a computer is currently connected to the modem. … – Plug the Ethernet cable you have just disconnected from the computer (or a

Q: How to set Arris modem to router mode?

A: a. Enter admin in the Username field. b. Enter password in the Password field. c. Click the Login button. The System Basic Setup page appears. Click the LAN Setup tab on the top menu. The LAN Settings page appears. On the LAN Settings page: a. NAT Mode – Click on the drop-down, and select Bridged. b. Click the Apply button.