Is the modem connected to the cable jack it was originally installed?.Is the power adapter connected securely to the modem and other end to the power outlet?.Is the cable connecting your modem to your computer secure at both ends?.Is the coaxial cable connecting your modem to the cable jack secure at both ends?.
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We’ll keep an eye out for reports of excessive heat-related problems with cable modems, and we will update our picks as needed. Modems might be a bit ugly, but that doesn’t mean you should hide yours away in a drawer. To keep your modem from overheating, make sure the vents aren’t covered up and it’s in an open space. Most manufacturers list the operating temperature on modems as up to 104 degrees Fahrenheit, which is pretty hot for any electronic device.
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Modems capable of full gigabit speeds are significantly pricier at $150 to $250. Price: We found that you should expect to pay $60 to $80 for a DOCSIS 3.0 modem that works with most plans and has the features you need to get the highest speeds available to you.Malfunctions are not a common occurrence with modems, but since purchasing your own means you don’t get a warranty through your cable provider anymore, the warranty is good to have in case anything goes wrong. A warranty is useful, because a company will typically replace a modem if it stops working due to defects. Warranty: Most modems come with a one- or two-year limited warranty that covers any catastrophic failure.We don’t recommend 8×4 or 4×4 modems, because ISPs are phasing out support for those older models, even on lower-speed plans. Our top picks will work for any plan up to 600 Mbps. If your internet plan is over 300 Mbps, you need a 24×8 modem or better. If you have service ranging from 100 to 300 Mbps, a 16×4 modem will be enough. The average internet speed in the US is around 180 Mbps, and the fastest cable tier most major ISPs offer is between 100 and 1,000 Mbps (aka gigabit). The right cable modem is the one with the right number of channels for your service tier. This means that if the ISP offers only 16 downstream channels in your area, using a 24×8 modem won’t improve performance. With DOCSIS 3.0, the more channels your modem has, the faster the speed, provided your ISP supports those channels.
Modem channels appear on the box as a number, such as 16×4, 24x8, or 32×8.
Compatibility: ISP compatibility is the main factor in choosing a cable modem.Modem compatibility list, updated March 2021 Cable modem And they may not even let you bring your own modem once they do roll out gigabit service. The added expense of the DOCSIS 3.1 modems isn’t worth it until you’re on one of these new (and pricey) plans-especially since your ISP may roll out gigabit over fiber rather than cable. You’ll need a DOCSIS 3.1 modem to guarantee gigabit speeds from most cable ISPs, and the MB8600 is also compatible with gigabit internet on networks that still use the DOCSIS 3.0 standard for example, Sparklight/Cable One supports both DOCSIS 3.0 (32x8) and DOCSIS 3.1 modems for its GigaOne service.ĭon't get a gigabit modem unless you already have gigabit service or know it's available.
If you already have a gigabit internet plan and your ISP allows you to use your own modem, the Motorola MB8600 is the best of the DOCSIS 3.1 modems that are widely available right now because of its relatively low price and its two-year warranty.