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Get The Best Cable Modem, Router, or Mesh System Based On Reviews & More

Trust Approved Modems to help you find the best modem for your ISP and service tier. We are the official page and this is what we have been doing for over 15 years. Other sites that try to be like us, don’t judge modems by real research, ratings, and other very important information.

View a list of cable modems for your ISP and speed tier. Easily search by Internet Provider, modem brand, type (WiFi, No WiFi, Voice). For instance, we list Comcast XFINITY modems, SuddenLink modems, Cox modems, and many, many more.  Because an outdated modem can cause lag on your network, it will hinder receiving your subscribed internet speed. ​​Some people report receiving speeds over their subscribed speed by simply upgrading their modem. ​


Standard Modem Without WiFi

NETGEAR CM500 Cable Modem
NETGEAR CM500

NETGEAR CM500 DOCSIS 3.0 Modem

The NETGEAR CM500 is the best for Comcast XFINITY, Cox, Spectrum, and more. The CM500 is compatible with tiers up to 300 Mbps, including XFINITY Blast (200) and Extreme (300). The Netgear CM500 can be easily set up online with these 3 ISPs, therefore, meaning no call is needed. This modem has 16 download channels that provide faster surfing. Additionally, the CM500 works well for all major ISPs.


WiFi Cable Modem / Modem Router Combo / Gateway

Motorola MG7540

Motorola MG7540 WiFi Modem

If you prefer a WiFi modem router combo (a.k.a. Gateway), the Motorola MG7540 is the perfect buy. It is approved by ​most cable companies including Atlantic Broadband, Cable One, Comcast XFINITY, Spectrum (Time Warner Cable, BHN, Charter), and more with plans up to 300 Mbps.​​


DOCSIS 3.1 Cable Modem

NETGEAR CM1000 ISP Compatibility
NETGEAR CM1000

NETGEAR CM1000 DOCSIS 3.1 Modem

This is the NETGEAR CM1000. A DOCSIS 3.1 cable modem is required for the XFINITY Gigabit  / XFINITY Gig service. It is also compatible with Cox Ultimate, WOW 300Mbps & over, Cable One GigaOne service, and more. Why It’s The Best – Compatible with speeds up to 1 Gbps which will cover services for at least the next ten years.



Tips When Buying a New Cable Modem

Buying a new cable modem can definitely save you a lot of money on your cable bill. However, if you don’t follow these guidelines, it could end up costing you a lot of wasted time, and perhaps wasted money.

  1. Most importantly, when buying a replacement modem, always buy a new one.  Consequently, used modems are too often returned because the provider cannot activate them. Most of the time, the modem is registered to another provider or user and can’t be undone. Some used modems even belong to cable companies and therefore, are reported as stolen often.
  2. Always buy from a reputable seller, such as directly from Amazon or authorized third-party sellers. This ensures that you will be able to register any equipment for warranties and/or replacements. If you are a registered customer than the company will contact you directly shall any issues arise such as firmware updates.
  3. Be sure you are at least getting a DOCSIS 3.0 approved modem. This is the most widely used form of DOCSIS today. However, DOCSIS 3.1 is taking off. Most companies require a 3.0 modem or higher. Anything less will hinder the speed of your internet if the provider acknowledges it all.
  4. Be sure the cable modem can support the speed that you subscribe to from your ISP. If you are unsure of your speed tier, you can find this info on your bill or online account.
  5. Select a modem that has enough download channels to support the same speed. This is often a requirement from your provider. You will see this written most of the time as 32×8 (or different numbers), with the first number being download channels and the second upload channels. This is referred to as channel bonding.
  6. Decide if you want a separate modem and router, one with a built-in router or if you need an eMTA uni for phone service.


What Are Cable Modems?

Cable modems are needed to connect to cable providers’ Internet networks. In other words, if you don’t have a cable modem, then you can’t use the Internet. They receive the Internet signal via a coax wire connected to the modem. Most cable companies strive to lease a modem so they can continuously charge an additional fee each month. However, you can buy your own to forgo this never-ending fee cycle. Additionally, an FCC law actually exists so that each company allows you to buy your own cable modem.  Charter Communications was actually fined by the FCC a few years ago for preventing customers from using their own cable modems. However, this law does not apply to the use of voice cable modems, a.k.a, EMTA modems.

Newest DOCSIS 3.1 Cable Modems

Best Cable Modems 2021

  • ASUS CMAX6000 WiFi-6 DOCSIS 3.1 Modem
    Just when we thought ASUS was giving up on the cable modem market, they have the CMAX6000 in production. We are still unsure when the ASUS CMAX6000 will be available for purchase, perhaps soon as it has been marketed for quite a while by ASUS. Here is what we do know though. It has already…
  • Nighthawk CM1150V XFINITY Voice Modem
    NETGEAR Nighthawk CM1150V Specs & Features Nighthawk CM1150V Reviews Please leave a review if you own the CM1150V If your Internet speed is greater than 1 Gigabit and your router supports Ethernet link aggregation, refer to the CM1150V User Manual for instructions on setting up link aggregation. NETGEAR CM1150V QSG CM1150V Manuals and Guides CM1150V…
  • Motorola MT7711 XFINITY Voice WiFi Modem
    ​​ ​The Motorola MT7711 is the newest WiFi cable modem with voice capabilities. It is currently only approved for Comcast Voice customers. ​The Motorola MT7711 provides speeds up to 600Mbps so it is compatible with tiers up to Extreme Pro. Also, it has a built-in AC1900 WiFi router with Power Boost and AnyBeam beamforming providing…
  • ARRIS SBG8300 DOCSIS 3.1 WiFi Cable Modem
    . 3 products in 1: DOCSIS 3. 1 cable Modem, AC2350 Dual-band Wi-Fi, 4 port Gigabit Router Comcast Xfinity and Cox Cable Approved for gigabit plans Docsis 3.1 Cable Modem, 2 downstream x 2 upstream OFDM channels. Dual-band Concurrent AC2350 wave 2 Wi-Fi with 3×3 on 2. 4 GHz and 4×4 on 5 GHz MIMO…
  • ARRIS SURFboard SB8200 DOCSIS 3.1 COX Modem
    From the ARRIS SURFboard list comes the first DOCSIS 3.1 cable modem, the ARRIS SB8200. If you subscribe to Gigabit services from Cox or Comcast XFINITY, then this may be the modem you need. It’ll definitely be the last cable modem you’ll need for years to come. The ARRIS SB8200 is backward compatible with DOCSIS…

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