The Best cm400 modem of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best cm400 modem of 2023. Check our ranking below.

2,626 Reviews Scanned

SaleRank No. #1

NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS)

ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
DOCSIS 3. 0 Cable Modem with 1 Gigabit Ethernet port. One (1) Gigabit Ethernet port with auto-sensing technology
Up to 340Mbps download and upload speed. Separate router required for WiFi. 8x4 channel bonding.
DOCSIS 3. 0 unleashes 8x faster download speeds than DOCSIS 2. 0
Ideal for streaming HD videos, faster downloads, and high-speed online gaming

Rank No. #2

NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400)

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 any bundled voice service.
SAVE MONTHLY RENTAL FEES: Model CM400 replaces your cable modem saving you up to $168/yr in equipment rental fees.
BUILT FOR SPEED: Best for cable provider plans up to 100 Mbps speed.
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.

Rank No. #3

NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS) (Renewed)

input voltage：100 -240V
ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
DOCSIS 3. 0 Cable Modem with 1 Gigabit Ethernet port. One (1) Gigabit Ethernet port with auto-sensing technology
Up to 340Mbps download and upload speed. Separate router required for WiFi. 8x4 channel bonding.
DOCSIS 3. 0 unleashes 8x faster download speeds than DOCSIS 2. 0

Rank No. #4

PK Power AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

Input: 100-240V 50-60Hz
PK-Power products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specification
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
COMPATIBILITY: Please see full list of compatible models in the Product Description
Our After Sale Service: Our friendly and reliable customer service will respond to you within 24 hours.

Rank No. #5

UpBright 12V AC/DC Adapter Compatible with Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 Cable Modem Net Gear Push2TV PTV1000 PTV1000-100NAS PTV-1000 TV Receiver 12VDC 1A Power Supply Charger

Rank No. #6

BestCH AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

World Wide Input Voltage 100-240VAC 50/60Hz
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
Tested Units. In Great Working Condition
Please check your model whether it is the same as the listing before purchasing. We do not accept responsibility if you purchase wrong products.Thank you!
BestCH AC / DC Adapter For Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

Rank No. #7

PKPOWER 6.6FT Cable AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord

Advanced Design, High Portability Brand New Replacement Chargers
Input Voltage: AC 100-240V, 50/60Hz
Cord Lenth: 6.6FT(2M)
Tested Units. In Great Working Condition.
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)

Rank No. #8

SLLEA AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

World Wide Input Voltage 100-240VAC 50/60Hz
SLLEA--Determined to become the most professional store of wire and chargers
Industry Quality : Over Voltage Protection, Over Heat Protection
Note: Please make sure the model of your device whether it is the same as the listing shows before purchasing
Warranty: 30 Days Money Back Guarantee / 60 Days Free Exchange With Paid Return Label / 360 Days Anytime Worry-Free Warranty! /
Please don't hesitate to contact us if any questions or concerns - we are here to help!

Rank No. #9

Marg AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

World Wide Input Voltage 100-240VAC 50/60Hz
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
Tested Units. In Great Working Condition
Please check your model whether it is the same as the listing before purchasing. We do not accept responsibility if you purchase wrong products.Thank you!
Marg AC / DC Adapter For Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

Rank No. #10

Digipartspower AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains PSU

Our products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications, Digipartspower Made with the Highest Quality / Brand-new Input Voltage Range: AC 100V - 240V
Note:Pls make sure the output and tip size is correct. Check Connector Photo to Ensure Compatibility.
30 Days Money Back Guarantee if you are not satisfied with our products.
We focus on providing quality power products and excellent customer service / we will ship your order within-24 hours Mon - Fri,pls feel free to contact with us if any concern.
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition.

Rank No. #11

Accessory USA AC DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord

Safety: Our Products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
This Adapter is a Brand New, High Quality Never USED (non-OEM)
Compatiblity: AC DC Adapter For Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord
Note:please make sure the model of your device before buying

Rank No. #12

PwrON (6.6FT Cable) AC to DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord

World Wide Input Voltage 100-240VAC 50/60Hz
PwrON products tested by the manufacturer to match
Industry Quality : Over Voltage Protection, Over Heat Protection
Note: Please make sure the model of your device whether it is the same as the listing shows before purchasing!
Warranty: 30 Days Money Back Guarantee / 60 Days Free Exchange With Paid Return Label / 360 Days Anytime Worry-Free Warranty! / Please contact us with any questions or concerns - we are here to help!

Rank No. #13

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."

SaleRank No. #14

Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)

Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
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 $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
System Requirements- Cable broadband Internet service, Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem,Microsoft Windows 7, 8, 10, 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
CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services

SaleRank No. #15

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

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.

SaleRank No. #16

Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port

Top Internet Speeds for all Multi-gigabit Speed Tiers - Wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32x8 capabilities give top Internet speeds for all cable Internet services.
Save Money - Eliminate up to 168 dollars per year in cable modem rental fees (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
Flexible Compatibility - Pair with any Wi-Fi router you’d like, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi. A 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station. This cable modem does not have a built-in wireless router or telephone call capability.
Proactive Network Security - A broadcom chipset provides advanced security from denial-of service attacks.
Active Queue Management (AQM) - AQM significantly reduces Internet latency on both DOCSIS 3.1 and 3.0 services, resulting in faster page loads for all Web traffic and enhanced interactive applications like online gaming and video conferencing. The MB8600 also includes a full-band capture digital tuner to enhance speed and save energy.

Rank No. #17

T POWER 12V 6.6ft Ac Adapter for NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem WiFi Router Power Supply Cord Charger

T-Power - manufactured with the highest quality materials , POWER SPECS : Input Voltage Range: AC 100V - 240V , Power: 12V 2A
Compatible Models: NETGEAR Nighthawk X4 R7500 R7000 C3000 EX6200 AC2350 AC1900 N300 FVS318 GS108 Smart Extender Router , NETGEAR CM400 CM500 CM600 CM700 DOCSIS 3.0 Cable Modem
Motorola 16x4 Cable Modem, Model MB7420 , MB7420-10 , MB7420-10-W , Motorola Surfboard SB6120 SB6121 SB6141 SB6180 SBG6580 SBG901 900 Cable Modem dta-100 DCT-700 PN# 503913-007 Model: MT-20-21120-A04F
AD898F20 PN: DSA-20P-10, 332-10011-01 , 332-10613-01 DSA-0151F-12 , Netgear DGN2200 N 300 Router, DSA-20P-10 332-10011-01 DSA-0151F-12 , NetGear 8-Port 10,100 Switch (FS108)
U.S. Robotics USR3453C Courier 56K Business Modem ; USR4000 Call Director ; USR5686G Wireless Broadband Router DSL Cable Modem , Compatible With Belkin Wireless Router N150 N300 N450 N600 N750; Netgear N150 N600 N300;

Rank No. #18

Omilik 12V 6FT Long Cable AC Adapter Fits for NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem WiFi Router Power Supply Cord Charger

SAFETY AND LIGHT - Replacement Product! (Non-OEM but 100% Compatible).All of our product lines are put through rigorous quality control procedures to ensure safe, reliable operation for years to come. In addition, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating. Small and lightweight for convenience, portability and storage. Easy to take anywhere
SPECIFICATION: Input voltage:AC 100-240V, 50/60Hz. US Plug / Power: 12V 2A
COMPATIBILITY: NETGEAR Nighthawk X4 R7500 R7000 C3000 EX6200 AC2350 AC1900 N300 FVS318 GS108 Smart Extender Router , NETGEAR CM400 CM500 CM600 CM700 DOCSIS 3.0 Cable Modem; 16x4 Cable Modem, Model MB7420 , MB7420-10 , MB7420-10-W , Surfboard SB6120 SB6121 SB6141 SB6180 SBG6580 SBG901 900 Cable Modem dta-100 DCT-700 PN# 503913-007 Model: MT-20-21120-A04F
Fits for: AD898F20 PN: DSA-20P-10, 332-10011-01 , 332-10613-01 DSA-0151F-12 , Netgear DGN2200 N 300 Router, DSA-20P-10 332-10011-01 DSA-0151F-12 , NetGear 8-Port 10,100 Switch (FS108)
Extra Long Power Cord: 6ft total cord length keeps you plugged-in at any work environment.

Rank No. #19

Nuxkst AC/DC Adapter for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 High Speed Cable Modem Power Supply Cord Cable PS Wall Home Charger Mains

Advanced Design, High Portability 100% Brand New Generic Compatible Product!(Non-OEM)
Over Voltage Protection, Over Heat Protection, FCC CE Certification
Input: AC 100V - 240V 50-60Hz
Please check the model number before you place order! We focus on providing quality power products and excellent customer service.
Experience seamless power connectivity with our top-of-the-line power adapter. Stay powered up and connected in the USA/Canada/Japan with confidence.

Rank No. #20

Yustda 12V AC/DC Adapter Replacement for Netgear CM400 CM400-100NAS CM400-1AZNAS DOCSIS 3.0 Cable Modem Net Gear Push2TV PTV1000 PTV1000-100NAS PTV-1000 TV Receiver 12VDC 1A Power Supply Charger

World Wide Input Voltage 100-240VAC 50/60Hz.
Replacement AC Adapter/Charger ,100% Compatible with the device model listed.
Charger/Adapter has total 6.5 Ft Long power cord.
Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection.
Manufactured with the highest quality materials. Certification: FCC, CE and RoHS.

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best cm400 modem?

Do you get stressed out thinking about shopping for a great cm400 modem? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching cm400 modem, which is why we have assembled a comprehensive list of the greatest cm400 modem available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for cm400 modem that you consider buying. Your questions might include the following:

Is it worth buying an cm400 modem?
What benefits are there with buying an cm400 modem?
What factors deserve consideration when shopping for an effective cm400 modem?
Why is it crucial to invest in any cm400 modem, much less the best one?
Which cm400 modem are good in the current market?
Where can you find information like this about cm400 modem?

We’re convinced that you likely have far more questions than just these regarding cm400 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 cm400 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 cm400 modem. Make sure that you are only using trustworthy and credible websites and sources.

We provide an cm400 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 cm400 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:

Brand Value: Every brand of cm400 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.
Features: What bells and whistles matter for an cm400 modem?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your cm400 modem.
Customer Ratings: Number ratings grade cm400 modem objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their cm400 modem.
Product Quality: You don’t always get what you pay for with an cm400 modem, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an cm400 modem is should be an indication of how long it will work out for you.

We always remember that maintaining cm400 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 cm400 modem is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

The Best cm400 modem of 2023 – Reviewed and Top Rated

How Do You Buy The Best cm400 modem?

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