FREE SHIPPING for all orders $49+ with code 'FREESHIP'
  • Contact Us
  • ModemGuides FAQ’s
ModemGuides ModemGuides
Login / Register
0 Wishlist
0 Compare
0 items / $0.00
Menu
ModemGuides ModemGuides
0 items / $0.00
Browse Categories
  • Comcast Xfinity
    • FUNCTION
      • Cable Modem Only
      • Telephony Modems
      • Modem Router Combos
      • Comcast Triple Play
      • DOCSIS 3.1 Comcast Modems
    • DOWNLOAD SPEED
      • 1000+ Mbps | Gigabit
      • Up to 343 Mbps
      • Up to 686 Mbps
      • 20 - 150 Mbps
    • TYPE
      • Modems for Gaming
      • Home | Personal
      • Modems for Business
      • CLEARANCE
    • BRAND
      • Arris
      • NETGEAR
      • Motorola
      • TP-LINK
      • Cisco | Linksys
    My Post(1)

    Best Comcast Modems 2021

    My Post(1)

    Top 10 Comcast Modem Routers

  • Charter Spectrum
  • AT&T
  • Cox Modems
  • CenturyLink Modems
  • Verizon
  • Optimum Modems
  • SuddenLink Modems
  • Frontier
  • Cable One
  • Wireless Routers
    • TYPE
      • WiFi Mesh System
      • Tri-Band
      • Gigabit Compatible
      • Voice Control Compatible
      • Easy Installation
      • Dual-Band
    • BRAND
      • Google
      • Netgear
      • Linksys
      • Motorola
      • Tenda
      • TP-LINK
      • ASUS
  • Modem Compatibility List
    • CABLE PROVIDERS
      • Comcast Xfinity
      • Charter | Spectrum | TWC
      • Cox Communications
      • Optimum
      • Mediacom
      • WOW! Cable
      • Suddenlink
      • Sparklight | Cable One
      • Atlantic Broadband
      • Wave Broadband
    • DSL PROVIDERS
      • Earthlink
      • AT&T
      • CenturyLink
      • Verizon
      • Frontier Communications
      • Windstream
      • Sonic
      • TDS Telecom
      • Cincinnati Bell
  • Network Accessories
    • WIRELESS
      • Network Adapters
      • Repeaters & WiFi Extenders
      • WiFi Mesh System
      • Wireless Access Points
  • Guides & Manuals
Sold out
Netgear CM400 8x4 DOCSIS 3.0 Cable Modem
Click to enlarge
Home Shop Cable Modems Comcast Xfinity Netgear CM400 8×4 DOCSIS 3.0 Cable Modem
Technicolor TC8305C WiFi Telephony Cable Modem
Back to products
Netgear R6300 Dual-Band Wireless Router
Netgear R6300 Dual-Band Wireless Router $55.99

Netgear CM400 8×4 DOCSIS 3.0 Cable Modem

$24.99

  • DOCSIS 3.0 Cable Modem Only – WiFi Router Sold Separately
  • 1 Gigabit Ethernet Port + 1 USB 2.0 Port
  • 8×4 Channel Bonding Supports Wired Speeds up to 343 Mbps
  • Easy Installation with Netgear’s Setup Wizard

Out of stock

Add to wishlist
  • Description
  • Additional information
  • Reviews (0)
  • About Netgear
  • Shipping & Delivery
Description

Netgear CM400 Product Details

The Netgear CM400 cable modem is a DOCSIS 3.0 addition to your home networking setup. This 8×4 cable modem supports wired download speeds up to 343 Mbps – perfect for online games, streaming HD media & web browsing. This model’s widely compatible and works with most US-based cable providers. Enjoy faster connections while you bask in the bliss of not paying a monthly modem rental fee!

Netgear CM400 Comaptibility

The CM400 works with most US-based providers including Cablevision, Comcast, Spectrum, Time Warner & Cox cable companies. These providers are not a complete list, but please make sure to call your provider before you order, regardless of who you’re with. Compatibility can vary depending on your location and service plan.

 

CM400 Easy Installation & Management

Activate this device in minutes using Netgear’s auto-configuration wizard, and your service providers online activation portal. Owners of this easy-to-use model are able to activate themselves, without the need to call your provider or send an installation technician to your house. After you’ve activated, you can manage your network easily by logging into your modem’s settings. Connect a wireless router to access your internet wirelessly in seconds.

What’s Included:

  • Netgear CM400 Modem
  • Ethernet Cable
  • Power Supply Cable
  • Online Installation Manual

Will this work with my internet company?

This Netgear cable modem is primarily used and is compatible with Comcast Xfinity, Cox, Cablevision, Spectrum & Time Warner Cable service in most areas. To verify that this model will work in your area, always contact your service provider’s customer service prior to placing your order with us to confirm that this model will work with your service plan. Some service plan speeds may not be supported.

Additional information
Brand

Netgear

Color

Black

Condition

Grade A – Certified Renewed

Contents

Ethernet Cable, Modem, Power Cable, Quick-Install Guide Online

Compatible Providers

Cablevision, Charter Spectrum, Comcast Xfinity, Cox Communications

DOCSIS Channels

8 x 4

DOCSIS Version

DOCSIS 3.0

Features

Easy-Installation, For Home, Video Streaming

Ethernet Ports

1-Port

Interface

Cable Modem

Model Number

CM400

Wired Download Speeds

Up to 343 Mbps

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Netgear CM400 8×4 DOCSIS 3.0 Cable Modem” Cancel reply

Your email address will not be published. Required fields are marked *

You have to be logged in to be able to add photos to your review.

About Netgear
Netgear is a well-known brand that has been providing a wide range of high-quality products for over 20 years. The company was founded in 1996 with a focus on providing innovative and reliable networking solutions for the computer and technology markets. Today, Netgear is a leading provider of broadband modems, routers, and gateways, as well as a wide range of other computer and technology products. One of the key features of Netgear's products is their focus on performance and reliability. The company's modems and routers are designed to deliver fast and reliable internet connectivity, with advanced technologies such as beamforming and Quality of Service (QoS) for optimizing network performance. Netgear's products are also known for their high-quality build and durability, with robust construction techniques and materials that ensure their reliability and longevity. In addition to performance and reliability, Netgear's products are known for their versatility. The company's modems and routers are designed to work with a variety of internet service providers and technologies, including DSL, cable, and fiber, making them a good choice for customers who want a versatile and reliable connectivity solution. Netgear's products are also available in a wide range of sizes and styles to suit different needs and budgets, making them a good choice for both home and small business users. In addition to performance, reliability, and versatility, Netgear's products are known for their advanced features and capabilities. The company's modems and routers offer advanced security technologies for protecting against online threats, and many of them also offer additional features such as VPN support, traffic management, and quality of service (QoS) for optimizing network performance. Netgear's products also offer advanced management and monitoring capabilities, with features such as remote management, alerts, and diagnostics for keeping track of network performance and identifying potential issues. Overall, Netgear is a trusted brand that offers a wide range of high-quality, reliable, and feature-rich products. The company's modems and routers are designed to deliver fast and reliable internet connectivity, and are known for their versatility, advanced features, and capabilities. Netgear's products are also known for their high-quality build, durability, and commitment to innovation and sustainability.
Shipping & Delivery
When will my order ship?

We ship all orders within 1-2 business days from one of our US-based warehouses unless items in your order are on backorder. Backordered items are shipped as soon as they become available. If you've ordered an item that is backordered, we will email you to let you know as soon as possible.

Do you offer upgraded shipping options?

Check our shipping & delivery page for the most up-to-date information about shipping options. In most cases we offer standard shipping and an expedited shipping option.

What shipping carriers do you use?

We currently ship the majority of orders via USPS Priority Mail or Amazon Logistics. Larger orders are shipped with FedEx, UPS or LTL Freight. Please contact us if you have any questions regarding shipping to your location.

Related products

Sold out
Zoom 5341j DOCSIS 3.0 8x4 Cable Modem
Zoom 5341j DOCSIS 3.0 8x4 Cable Modem Ports
Compare

Zoom 5341j DOCSIS 3.0 8×4 Cable Modem

Rated 4.74 out of 5
$50.49
  • 8x4 Channel Bonding Supports Internet Download Speeds up to 343 Mbps
  • Compatible with Comcast, Cox, TWC, Charter, Spectrum, Brighthouse, & Cable ONE
  • DOCSIS 3.0 Cable Modem only, WiFi Router Sold Separately
  • Perfect for Sparklight CableOne 50 Internet Plan
  • 1 Ethernet Port + 1 Coaxial Port + 1 Power Supply Port
Add to wishlist
Read more
Quick view
-11%
Arris Touchstone TM722G Telephony DOCSIS 3.0 Cable Modem
Arris Touchstone TM722G Telephony DOCSIS 3.0 Cable Modem Ports
Compare

Arris TM722G DOCSIS 3.0 VoIP Cable Modem

Rated 4.09 out of 5
$37.49 $33.49
  • Compatible with Xfinity by Comcast - Triple Play Service
  • Supports Internet Download Speeds up to 343 Mbps
  • Telephony Cable Modem Only - Wireless Router Sold Separately
  • DOCSIS 3.0 Modem with 4x4 Channel Bonding
  • 1 Gigabit Ethernet Port + 2 Phone Ports + 1 USB Port
Add to wishlist
Add to cart
Quick view
Actiontec PK5000 Wireless DSL Modem for CenturyLink
Actiontec PK5000 Wireless DSL Modem for CenturyLink
Compare

Actiontec PK5000 Wireless DSL Modem for CenturyLink

Rated 4.71 out of 5
 
  • Compatible with CenturyLink DSL internet services
  • Wireless-N WiFi speeds for smooth streaming and web browsing
  • 4 Ethernet ports for wired connectivity
  • Built-in firewall and WPA/WPA2 wireless encryption for advanced network security
Add to wishlist
Buy on Amazon
Quick view
Technicolor C2000T Wireless ADSL/VDSL Modem
Technicolor C2000T Wireless ADSL/VDSL Modem
Compare

Technicolor C2000T Wireless ADSL/VDSL Modem for CenturyLink

Rated 4.41 out of 5
$134.79
  • Compatible with CenturyLink & Other Major DSL Providers
  • Supports Wired Internet Download Speeds up to 343 Mbps
  • VDSL2 & ADSL2+ Modem Router Combo with 802.11n Built-in Wireless
  • 4 Ethernet Ports + 2 Phone Line Ports + 1 USB Port
  • Features Enhanced Firewall and WiFi Protected Access for Advanced Network Security
  • NOT COMPATIBLE with AT&T & Verizon
Add to wishlist
Add to cart
Quick view
Sold out
Actiontec C2000A Wireless N VDSL2 Modem Router
Actiontec C2000A Wireless N VDSL2 Modem Router
Compare

Actiontec C2000A Wireless N VDSL2 Modem Router

Rated 4.56 out of 5
$70.99
  • Compatible with CenturyLink & All Other VDSL, ADSL and GPON/Fiber Networks
  • Supports Internet Download Speeds up to 800 Mbps
  • Wireless N VDSL2 Modem Router Combo with 802.11n Wireless Built In
  • 4 Ethernet Ports + 2 Phone Ports + 1 USB Port + 1 MoCA Port
  • Robust Firewall & Denial of Service Ensures High Wireless Security
Add to wishlist
Read more
Quick view
-11%Sold out
Linksys X2000 Wireless-N Router with ADSL2+ Modem
Linksys X2000 Wireless-N Router with ADSL2+ Modem
Compare

Linksys X2000 Wireless-N Router with ADSL2+ Modem

Rated 3.42 out of 5
$83.99 $74.99
  • Compatible with CenturyLink & Other Major DSL Providers
  • Supports Internet Download Speeds up to 300 Mbps
  • Wireless-N 802.11n Router and ADSL2+ Modem Combo
  • Internal MIMO Antenna Technology for Reliable Coverage and Range
  • 3 Ethernet Ports + 1 Phone Port + 1 DSL Port + ON/OFF Power Button
Add to wishlist
Read more
Quick view
Sold out
Zyxel PK5001Z ADSL2+ Wireless Modem
Zyxel PK5001Z ADSL2+ Wireless Modem
Compare

Zyxel PK5001Z ADSL2+ Wireless Modem

Rated 4.63 out of 5
$74.99
  • Compatible with CenturyLink & Other Major DSL Providers
  • Supports Wired Internet Download Speeds up to 20 Mbps & Wireless Speeds up to 300 Mbps
  • Wireless N ADSL2+ Modem and Router with 802.11n Integrated Wireless Technology
  • 4 Ethernet Ports + 1  ADSL Port + 1 Phone Port
  • NOT COMPATIBLE with AT&T, Frontier & Verizon
Add to wishlist
Read more
Quick view
Sold out
Pace 4111n Wireless ADSL Modem Router
Pace 4111n Wireless ADSL Modem Router
Compare

Pace 4111n Wireless ADSL Modem Router for AT&T

Rated 3.05 out of 5
$83.49
  • Compatible with AT&T DSL Internet
  • Supports Wired Download Speeds up to 40 Mbps
  • ADSL Gateway with 802.11n Wireless Built-In with Powerful Firewall
  • 4 Ethernet Ports + 1 DSL Port + Power Supply Port
  • NOT COMPATIBLE with CenturyLink Service
Add to wishlist
Read more
Quick view

Customer Service

  • Account Login/Register
  • Check Order Status
  • Help Center
  • Return an Item
  • Return Policy
  • Feedback

Shop

  • Wireless Routers
  • Cable Modems
  • DSL Modems
  • Network Accessories
  • On Sale

Learn

  • Sell Your Modem / Router
  • Trade-In Program
  • Modem ISP Compatibility
  • Best Modems in 2021
  • Best Routers in 2021

Company

  • About ModemGuides
  • Employment
  • Shipping & Delivery
  • Terms of Use
  • Privacy & Security

ModemGuides.com is a comprehensive resource for modems, wireless routers, and mesh WiFi networks. It began as a comprehensive modem compatibility list and has since expanded into a one-stop shop for all forms of networking hardware information, including product reviews, manuals, troubleshooting guides, and more.

It participates in the Amazon Services LLC Associates Program, an affiliate program designed to allow websites to make advertising revenue by advertising and linking to Amazon.com.

 

ModemGuides 2020 CREATED BY MODEMGUIDES. End Your Modem Rental Fee.
  • Home
  • Shop
    • Cable Modems
      • Comcast Xfinity
      • Charter Spectrum
      • Cox Communications
      • Mediacom
      • Optimum
      • WOW! Cable
      • Suddenlink
    • DSL Modems
      • CenturyLink
      • AT&T
      • Verizon
      • Frontier
      • Windstream
    • Wireless Routers
      • Gaming Routers
      • Routers for Business
      • Belkin RoutersBelkin Routers
      • TP-Link RoutersTP-Link Routers
      • ASUS RoutersASUS Routers
      • Cisco RoutersCisco Routers
      • Arris RoutersArris Routers
  • Compatible Modem Lists by Provider
    • Comcast Xfinity Compatible Modems
    • CenturyLink Compatible Modems List
    • Optimum Compatible Modems List
    • Cox Cable Compatible Modems
    • Suddenlink Modems
    • AT&T Compatible Modems List
    • Verizon Compatible Modems
    • Earthlink Compatible Modems List
    • Brighthouse Compatible Modems List
    • Frontier Compatible Modems List
    • Optimum Compatible Modems List
    • Atlantic Broadband Modems List – Compatible Modems
  • Product Manuals & Installation Guides
    • DSL Modem Manuals
    • Cable Modem Manuals
    • WiFi Router Manuals
    • Range Extender Manuals
    • Support Articles
      • How To Extend WiFi Range
      • How to Reset Your Modem
  • ModemGuides Customer Care
    • Shipping & Delivery Info
    • Technical Support
    • FAQ’s
  • Returns & Refunds
    • Return Request
    • Warranty Policy
  • Wishlist
  • Compare
  • Login / Register
Shopping cart
close

Sign in

close

Lost your password?

No account yet?

Create an Account