7 best modem powers

Modem power adapters, in the context of electronics and power accessories, are essential components used to supply electrical power to modems, routers, or other networking equipment. These adapters are designed to convert the standard alternating current (AC) power from a wall outlet into the direct current (DC) power required by the modem to operate.Here are some key points about modem power adapters:

  1. Voltage and Current: Modem power adapters typically provide a specific voltage (e.g., 12V, 9V, 5V) and current rating (measured in amperes or milliamperes) that is suitable for the modem's power requirements. It's crucial to match the voltage and current ratings of the adapter with the modem's specifications to ensure proper operation and prevent damage.

  2. Connector Type: The power adapter has a connector at one end that plugs into the modem's power input port. These connectors come in various shapes and sizes, so it's important to use an adapter with a compatible connector to ensure a secure and correct connection.

  3. Polarity: Some power adapters have a polarity designation, which indicates the correct orientation of the plug. The modem's power input port may also have polarity markings. It's essential to align the polarity correctly to avoid damaging the modem.

  4. Voltage Regulation: Modem power adapters often include voltage regulation and protection features to ensure a stable and safe power supply. This helps prevent voltage spikes or fluctuations that could harm the modem.

  5. Compatibility: When replacing a modem power adapter, it's crucial to choose one that is compatible with your specific modem model. Using an incorrect or incompatible adapter can lead to malfunction or damage.

  6. Power Ratings: Modem power adapters are rated in terms of their power output, typically in watts (W) or volt-amperes (VA). Ensure that the adapter's power rating is sufficient to meet the modem's power demands.

  7. Power Cord Length: The length of the power cord attached to the adapter can vary. Choose a cord length that allows you to position the modem in a convenient location while ensuring a safe and tidy setup.

  8. Backup Power: Some users may opt for uninterruptible power supplies (UPS) or battery backup systems to provide temporary power during outages, ensuring uninterrupted internet connectivity.

In summary, modem power adapters are essential accessories that provide the necessary electrical power to networking equipment like modems and routers. It's important to choose the right adapter with the correct voltage, current, connector type, and compatibility to ensure the reliable and safe operation of your modem.

Below you can find our editor's choice of the best modem powers on the market
  

NETGEAR Cable Modem CM700 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 500 Mbps | DOCSIS 3.0

Based on 22 reviews Check latest price

Product description

The NETGEAR CM700 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 1.4 Gbps. It is CableLabs certified DOCSIS 3.0 and provides up to 32 times faster than DOCSIS 2.0 devices. The Gigabit Ethernet port provides faster access and downloads. CableLabs DOCSIS 3.0 certified to work with all the major cable Internet providers like XFINITY from Comcast, Spectrum, Cox and more. System Requirements: 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. Check that you are using the 12 VDC, 1A power adapter from NETGEAR.

  • 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 CM700 replaces your cable modem saving you up to $168/year in equipment rental fees.
  • Built for super-fast speed: best for cable provider plans up to 500 mbps speed.
  • 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.
  • Modem technology: Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.

User questions & answers

Question: Why does it say 4x ethernet ports in your description where there is only one
Answer: Because Amazon hasn't corrected their product subscription. I submitted one two weeks ago and has yet to be done. If you need more than 1 ethernet port, then this one is not for you. This has only (1) 2.5 Multi-Gig port.
Question: Does netgear cm500-1aznas work with tds provider
Answer: Yes. But you need to call the TDS customer service and provide your CMAC or SN to register your device. These numbers are on the box and the unit
Question: Can you use a phone to ethernet splitter for voice to work
Answer: I have never heard of a phone to internet splitter, at least not expressed in those terms. However, for VOIP (which means Voice Over Internet Protocall), you must have at least one phone jack in a modem, or a modem-router combination. Some modems have two such jacks, which could provide two different "lines." Most importantly, you must have your internet service provider's PERMISSION to install and use such a modem, or modem-router combination! My own ISP (Wow, aka Wowway.com) REFUSED to give such permission because that would cut into their profits, since they would no longer receive a monthly FEE to RENT their age-old junk, much of which are at least five years old, which is like a millenia in this day of super-fast-paced electronic offerings. I had to send back every VOIP-capable modem I bought from Amazon and other places because my ISP REFUSED to enable them to work with their so-called service(s). Talk about anti-competitive business practices ... U.S. Federal Trade Commission (FTC), are you paying any attention?
Question: I understand that this modem says it will only work with xfinity. but has anyone tried this with spectrum? (aka time warner cable
Answer: Hello. I am writing this Dec 2, 2020 and just activated this modem 2 days ago with Spectrum. It is not on the list of approved modems, but oddly enough the CM400 is. I just told the tech support who activated it that it was compatible and it's worked fine with no problems. I went from 100-120 mbs on my 100 mb plan to 250 to 450 mbs, still on the 100 mb plan. This modem is not on the list of approved models but it seems to work fine so far without periodic latency/drops like the Arris model from Spectrum had.

Product features

Why Buy Your Own Modem?

Save up to 168 Dollars/year

Eliminates monthly rental fees that can amount to 168 dollars or more per year.

No WiFi limits

You’re free to choose & connect the best router for your home’s WiFi needs.

Compatibility

Swap modems. Not problems. CM700 is compatible with all major cable providers including Xfinity by Comcast, Spectrum, and COX.*

*Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirectTV, DISH and any bundled voice services.

Built for Serious Speed

Supports cable internet plans with speeds up to 500Mbps ensuring fast, reliable internet speed for HD streaming and more.

Works with Any Wi-Fi Router

Plug the modem into the router that best meets your wireless needs and start streaming.

Easy 5 Minute Setup

Step 1: Plug your coax cable into the modem.

Step 2: Activate by either

(a) connect an Ethernet cable to your computer and follow the on-screen setup, or

(b) call your cable provider to activate over the phone.

Step 3: Plug an ethernet cable between the modem and your Wi-Fi router.

AMSK POWER 6 Ft 6 Feet 2 Prong Polarized Power Cord for Arris Cable Modem SVB2482 TM882G TM882R TG862 TG862G

Product description



Overheating Protection

Overload Protection with High Quality Wires Anti-Interference Feature with better Isolation Materials

High quality, rubberized texture 6 Ft AC/DC Cord

  • COMPATIBLE: designed to work with laptops, DVD players DVD, VCR's and Boom Boxes and other audio/video equipment that uses a 2-slot polarized power cord.
  • AC Dc adapters are CE, FCC, RoHS certified for safety.
  • CONNECTOR: 2-Slot Polarized (IEC320C7) and 2-Prong Male (NEMA 1-15P)
  • Warranty info: Order your replacement ac adapter backed by our 30 day money back guarantee, 12 months warranty; 24/7 email support, free exchange.
  • Package includes: 1 Ac Cord

YUSTDA Replacement AC/DC Adapter for AT&T ZTE WF721 Home Phone Base Modem Power Supply Adapter Wall Charger

Based on 3 reviews Check latest price

Product description

EPtech Platinum Quality Features:



* Overload Protection with High Quality Wires

* Over-charge/discharge protection

* Overheating Protection with Smart Chip

* Anti-Interference Feature with better Isolation Materials

* Short-circuit protection

* Fully compatible with the original laptops

* Tested with strict quality control standards



Buy with confidence!



* 24 Month Warranty

* Ship the same or next business day Guaranteed

* 24 x 7 Email Support

* 100% New Components - never refurbished, recycles, or used

* 100% OEM Compatible - Guaranteed to meet the specifications of your original device



Copyright EPtech All Rights Reserved.

  • 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.

AC Adapter for CenturyLink ZyXEL PK5001Z PK5001PK Modem Router Power Supply Cord

Based on 19 reviews Check latest price

Product description

Kircuit AC adapters are tested and designed to meet the power needs of your device. This adapter converts AC power into the DC power required by your device. This supply allows you to operate your device or charge its battery from electrical power outlets. Kircuit Adapters are a portable power source for when your on the go, at home or office. This adapter has been validated and tested to ensure it will work with your device.

  • 30 days money back guarantee. 1 full year service warranty.
  • 100% Brand New, High Quality AC Wall Power Charger (non-OEM)
  • Input: 100V-240V AC; great for replacemnt or travel back up
  • Build in Dynamic IC, Charger IC & Power fuse for rapid charging and over charge protection.
  • Tested Units. In Great Working Condition.

K-MAINS 12V AC Adapter Charger for Arris Surfboard SB6190 Cable Modem Power Supply Mains

Product description

K-MAINS 12V AC Adapter Charger for Arris SURFboard SB6190 Cable Modem Power Supply Mains

  • 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: 12V AC Adapter Charger for Arris SURFboard SB6190 Cable Modem Power Supply Mains
  • Note:please make sure the model of your device before buying

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

Omilik

Product description

Why I choose it?

-Small and lightweight for convenience, portability and storage. Easy to take anywhere

-High efficiency and low energy consumption, low fever & no noise at full wattage working

-Protect Your Device: Over Voltage Protection, Over Heat Protection

-High quality shell and 6 feet long cord, enough long to meets all your needs. No need to worry about connecting to the wall or corner





POWER SPECS : Input Voltage Range: AC 100V - 240V , Power: 12V 2A

Compatibility:

NETGEAR Nighthawk X4 R7500-100NAS , R7500-100NASBN3 - AC2350 4x4 MU-MIMO Smart Router , Netgear CM500 CM600 CM500-100NAS CM600-100NAS DOCSIS 3.0 High Speed Cable Modem

Netgear EX6200 EX6200-100NAS AC1200 WiFi Range Extender , NETGEAR Nighthawk AC1900 Dual Band Wi-Fi Gigabit Router (R7000) R7000-100PAS , NETGEAR ProSafe FVS318 GS108 VPN Router

NETGEAR CM400DOCSIS 3.0 340Mbps Cable Modem (CM400-1AZNAS)

NETGEAR CM500 CM600 CM700 (32x8) DOCSIS 3.0 Cable Modem

  • 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; 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
  • 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.

FocalTop AC Adapter Charger for Motorola Modem MB8600 MB7220 MG7550 MB7420-10 MB7621 MB7540 Power Supply Cord

FocalTop

Product description

FocalTop AC Adapter Charger for Motorola Modem MB8600 MB7220 MG7550 MB7420-10 MB7621 MB7540 Power Supply Cord

  • Compatibility: This Power adapter will work with Motorola Modem MB8600 MB7220 MG7550 MB7420-10 MB7621 MB7540
  • Input: AC 100-240V, 50-60Hz Output: DC 12V 2A
  • Use High quality IC version, Short circuit protection, Overload protection.
  • Tested Units. In Great Working Condition. All Products are FCC/CE/ROHS Certificated.
  • Package Includes: 1x AC/DC Charger

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