![]() On the back, you can find four gigabit ethernet ports along with one USB 2.0 port. An excellent result considering the test was performed on a 250 Mbps internet connection. ![]() In practice, the max download speed over Wi-Fi hovers between 230 Mbps to 120 Mbps depending on the distance from the unit. The range is listed at 1800 sq ft but the device can cover households that are larger (up to about 2,500 sq ft). Setup is simple and you should be able to install the device in no time. The unit comes with dual-band support with speeds reaching up to 600 Mbps for the 2.5GHz band and 1300Mbps for the 5GHz band. It supports DOCSIS 3.0 standard and offers up to 400 Mbps download speed along with 24×8 channels. When it comes to performance, the C7000 is solid. This device includes certification of compatibility by Comcast (Xfinity), Cox, and Spectrum. We’ll keep an eye out for reports of excessive heat-related problems with cable modems, and update our picks as needed.The C7000 from Netgear is a capable modem router combo device that has excellent performance, solid coverage, and that’s compatible with most major ISPs. Modems might be a bit ugly, but that doesn’t mean you should hide yours away in a drawer. To prevent your modem from overheating, make sure the vents aren’t covered up, and keep it 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. Heat: Read the owner reviews for almost any modem, and someone mentions that the modem gets hot.Modems capable of full gigabit or faster speeds are significantly pricier ($150 to $270). Price: We’ve found that you should expect to pay $50 to $90 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-ISPs are phasing out support for those older models, even on lower-speed plans. Our top picks 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 is enough. The median internet speed in the US is around 193 Mbps (as of December 2022), and the fastest cable tier most major ISPs offer is between 1 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, 24×8, or 32×8. Channels: Channel bonding refers to the number of downstream (for downloading) and upstream (for uploading) channels your modem can access.If you’re lucky enough to live in an area where you can choose among multiple ISPs, the capability to bring your modem from one provider to another is a nice bonus. The first thing to do is to check your ISP’s approved-modem list-here’s where to check for Xfinity, Spectrum, Cox, Sparklight, Optimum, Mediacom (PDF), and WOW (PDF). A modem either works with your ISP or doesn’t. ![]() Compatibility: ISP compatibility is the main factor in choosing a cable modem.But you should call Optimum to verify compatibility before purchasing. Optimum “encourages” DOCSIS 3.1 modems with the company’s service, and DOCSIS 3.0 (24x8) modems are compatible with their service under 500 Mbps. ![]() Modem compatibility list, updated February 2023 Cable modem And they may not even let you bring your own modem once they do roll out gigabit service. The added expense of a DOCSIS 3.1 modem 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 need a DOCSIS 3.1 modem to guarantee gigabit speeds from most cable ISPs, and some ISPs like Sparklight recommend DOCSIS 3.1 modems for new cable modem activations.ĭon’t get a gigabit modem unless you already have gigabit service or know it’s available. If you have a gigabit or multi-gig internet plan and your ISP allows you to use your own modem, the Motorola MB8611 is the best of the DOCSIS 3.1 modems that are widely available right now, thanks to its relatively low price and two-year warranty.
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