Netgear CM400 DOCSIS 3.0 High Speed Cable Modem

SKU: NECM400

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Questions & Answers

Shopper : Why Did You Choose This?MICHAELL R : excellent products and best price and for its fast delivery the best page

Reviews about this item

Review Summary

2020-04-30T20:00:00

Rated 1 out of 5

The modem you'll reset thrice a day!

Being low in funds, we endured the daily thrice resets for three years. What made it worth it was the day I could take a hammer to it and send it away in the garbage.

CFPTech

2019-05-28T20:00:00

Rated 5 out of 5

fine replacement for rented Comcast modem

easy to install, use, recycle - website and tech service fast and complete

Andrew64857

2019-05-28T20:00:00

Rated 5 out of 5

Good for your money

It has a very fast connection to the internet but the only thing it only has one Ethernet cable port. Other than that it's hands down good I play online gaming and I use it always.

Faasavala9800

2019-05-28T20:00:00

Rated 5 out of 5

Great modem for a great price!

For about $50, this modem improved my speed on Comcast to a bit above what I'm paying for. Better yet, you can often find this model on sale.

Conner34300

2019-05-28T20:00:00

Rated 5 out of 5

A Great Gaming Modem

There are no comparison it in a league by itself it is the best Modern on the market and the customer service is awesome they are patient and easy to talk to and very knowledgeable they get my 10 star rating I never had such wonderful service from any Company I will always keep up with the latest product from this and only this company I am so happy that I purchase such a great product from a great Company your Reschared and Development is Outstanding keep up the Great work

GARRETT15764

2019-05-28T20:00:00

Rated 5 out of 5

Good Product

I always wanted to end the ridiculous "cable modem rental fee" and found this product via a tech blog. The Cable Company Tech Guy needed to install it, but it has been working well ever since. It definitely seems to be a better product (performance and reliability than the Cable Company modem. And, we never have to pay the modem rental fee again. The ROI on this modem is less than 6 months.

Andy44557

2019-05-28T20:00:00

Rated 5 out of 5

Awesome Modem!!!

I bought this Netgear CM400 modem to replace the slow one provided by my internet service company. Once I installed this modem in conjunction with the nighthawk router it dramatically improved my internet download/upload speed and range. Very pleased with my purchase and will buy netgear again in the future.

Josh37950

2019-05-28T20:00:00

Rated 5 out of 5

Great router! Super fast!

I bought this to replace my Comcast dual-band router. I was pleasantly surprised at how easy it was to set up and also how fast my connections are. It didn't take any configuration to get this up and running in less than 10 minutes. I had to get a router to connect to my other wireless devices, but this modem was what I needed to handle the 150 Mbps performance from my network provider. I would highly recommend this modem!

Joyce79358

2019-05-28T20:00:00

Rated 5 out of 5

As little as it seems works amazing

This modern modem is pretty easy and adjustable for your internet- wifi connection. Especially for Xfinity but it works fine with other carriers too .

Daliani80201

2019-05-28T20:00:00

Rated 5 out of 5

Money saver

This is not only a reliable modem but a money saver in two ways. It was affordable and it eliminated the rental fee from our cable provider.

Tim1443

2019-05-28T20:00:00

Rated 5 out of 5

retired

Needed to get a new modem quickly because 13 yrd Motorola Surfboard unexpectedly died. Simple set up, gave cable co MAC info and on my way. So far so good.

Hmrdm52052

2019-05-28T20:00:00

Rated 5 out of 5

Really Good

Iv'e had this for just under a month now and it has got the job done. I would recommend to anyone.

Joseph74916

2019-05-28T20:00:00

Rated 5 out of 5

Works very well

A neighbor was stealing our internet and my children were being bumped off while they were working. Since I've had the new Net Gear modem and router. We have had no problems. But my neighbor has.......

Jessica35866

2019-05-28T20:00:00

Rated 5 out of 5

Speed is as advertised

Good modem. Works perfectly well for my inhome network with my cable provider.

Mike96908

2019-05-28T20:00:00

Rated 5 out of 5

Flawless

My last modem had to be reset every couple of days. The CM400 is a rock-solid, reliable workhorse that I would buy again in a minute.

HVACmath46327

2019-05-28T20:00:00

Rated 5 out of 5

Review of CM 400 Router

Awesome router with excellent reach throughout my entire house. Very happy with this router!!

Scott64242

2019-05-28T20:00:00

Rated 5 out of 5

Couldn't be more pleased

After years of paying monthly "rental fee" to cable company for modem use, decided to buy my own. Not being very "techie", I was hoping I had made the right decision. Couldn't be more pleased!!

Jean98637

2019-05-28T20:00:00

Rated 5 out of 5

Good and reliable modem

From day one of having this modem it has been flawless. Other modems we've tried always had connection issues. But not this one. It is consistently reliable and at full speed all the time

Andrew53756

2019-05-28T20:00:00

Rated 5 out of 5

Awesome!

This modem has been great! It is fast and reliable. The set up was very easy. Highly recommend!!

Kmvanhook25

2019-05-28T20:00:00

Rated 5 out of 5

CM400 great Product

This was easy to set up and had great instructions to be followed step by step. No problems at all with it! Again Great Product!

Andy5604

2019-05-28T20:00:00

Rated 5 out of 5

Works well and is compatible with Spectrum

I bought the modem because it was compatible with the requirements for Spectrum so I didn't have to a monthly rental fee. It works great in the background without any issues.

Allan62911

2019-05-28T20:00:00

Rated 5 out of 5

The CM400 modem

The best for gaming and streaming that I ever tried! Hands down.

atb127090554

2019-05-28T20:00:00

Rated 5 out of 5

Perfect for 1br apartment

Perfect router. It's conveniently priced, small, and it looks great in the room too!

Jacob18210

2019-05-28T20:00:00

Rated 5 out of 5

Works Great!

Although I've seen some reviews that say after 5 months or so the modem begins to drop connections. So far, I've had no problem and anticipate that I will continue to enjoy a well working modem. Thanks Netgear!

rys74868

2019-05-28T20:00:00

Rated 5 out of 5

Awesome

The product solved the network issue I used to have. It's fast and serves multiple purposes.

Beejay19119

Netgear CM400 Specifications

  • System Requirements

    Cable Broadband Internet service
    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

  • Number of Ethernet Ports

    One (1) Gigabit Ethernet port with auto-sensing technology

  • Cable/Coaxial Port

    One (1) WAN cable/coaxial port to receive the incoming signal
    DOCSIS 3.0: Backward compatible with DOCSIS 2.0

  • Speed

    Up to 340 Mbps

  • Memory

    8MB flash and 64MB DDR

  • Environmental

    Operating Temperature: 32 to 104 deg. F (0 to 40 deg. C)
    Operating Humidity: 90% maximum relative humidity, non-condensing

  • Power Adapter

    Input: 110-120 V AC, 47-60 Hz
    Output: 12 V DC, 1 A

  • Certifications

    CableLabs certified for U.S. cable Internet services

  • Dimensions

    5.8 x 3.8 x 1.8" (14.73 x 9.65 x 4.57cm)

  • Weight

    0.44 lbs (0.20kg)

  • UPC Code

    606449103700

About Netgear CM400

FEATURED REVIEWS

fine replacement for rented Comcast modem

By Andrew64857

easy to install, use, recycle - website and tech service fast and complete

Great modem for a great price!

By Conner34300

For about $50, this modem improved my speed on Comcast to a bit above what I'm paying for. Better yet, you can often find this model on sale.

Eliminate your monthly equipment rental fees and get up to 340Mbps. Whether you're streaming or gaming, you'll enjoy faster connections and speed to spare. Compatible with cable Internet providers (ISP's) like XFINITY from Comcast, Spectrum, Cox, Cablevision and more. The Netgear CM400 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 340Mbps. It is CableLabs certified and with DOCSIS 3.0 is 8X faster than 2.0. A Gigabit Ethernet port provides faster access and downloads.

Fast Cable Internet Access
• Up to 340 Mbps download and upload speed for streaming HD videos, faster downloads and high-speed online gaming
• CableLabs Certified for U.S. Cable Internet Services-DOCSIS 3.0 is 8 times faster than DOCSIS 2.0
• Works with Cable Internet Providers like XFINITY from Comcast, Spectrum, Cox, Cablevision & more (not compatible with cable bundled voice services)
• Fast self-activation for XFINITY customers-Get connected without a service call
• 8x4 Channel bonding offers the fastest possible cable Internet speeds during peak hours -8 downstream and 4 upstream channels
• Gigabit Ethernet port-Fastest wired speeds to connect your router or computer

Ideal Uses

Lose The Lease
Is your cable ISP charging you every month just to use their modem? Reduce your bill and bring-your-own-modem. The CM400 is compatible with most major cable service providers.

Save Shelf Space
The narrow profile of the CM400 lets you tuck it away behind other components and keeps your valuable shelf space open.

Netgear CM400 Features

  • Designed to meet DOCSIS 3.0 specifications and backward compatible with DOCSIS 2.0 networks
  • Channel bonding for fast download and upload speeds - (8 x 4) 343Mbps download & 122Mbps upload
  • Works with Cable Internet Providers like XFINITY from Comcast, Spectrum, Cox, Cablevision & more
  • IPv6 next generation Internet addressing support
  • Gigabit Ethernet port with auto-sensing technology
  • Simple-CD-less installation
  • Memory: 8MB flash and 64MB DDR
  • IPv6 support (Internet Protocol Version 6)

What's in the box:

  • Netgear CM400 DOCSIS 3.0 High Speed Cable Modem
  • Stand
  • Ethernet Cable
  • Power Adapter
  • Quick Install Guide
  • Netgear 1 Year Limited Warranty