How To Buy A Modem For Comcast Internet
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If you choose to purchase a router, you may find one that has a better range or better parental controls than the unit supplied by your internet provider. You can get high-quality products from brands like NETGEAR, Linksys, TP-Link, and Zyxel. Better yet, you could install a mesh networking kit that spreads Wi-Fi across your home or small office like a web.
The drawback to buying your equipment is the overall expense. If your modem, router, or gateway fails, the replacement comes out of your wallet. The burden of cost is also yours when you want to upgrade. Free technical support from your internet provider may or may not be available.
If you have a fiber-to-the-curb setup, you need a cable modem or a DSL modem, depending on the connection entering your home. You can ask your internet provider more about what type of fiber connection you have.
Cara Haynes has been editing and writing in the digital space for seven years, and she's edited all things internet for HighSpeedInternet.com for five years. She graduated with a BA in English and a minor in editing from Brigham Young University. When she's not editing, she makes tech accessible through her freelance writing for brands like Pluralsight. She believes no one should feel lost in internet land and that a good internet connection significantly extends your life span.
After comparing compatibility, user satisfaction, DOCSIS technology, and max wired connection speeds, we recommend the Motorola MB7621 as the best cable modem for most Comcast Xfinity plans.
Channel bonding tells you how many channels a modem has for downloading and uploading data. Think of it like lanes on a highway: The more lanes, or channels, that you have, the more traffic, or data, that can get through.
Another way to check what speed your internet plan comes with is to run a speed test. This gives you a more accurate view of what speeds you actually get. We recommend running several speed tests over the course of the day to get a bigger picture of how much your speed fluctuates at different times.
The Motorola MB7621 is an Xfinity-certified cable modem that comes with wired internet connection speeds of up to 1,000 Mbps.1 That covers pretty much every single Xfinity internet plan (aside from its extremely limited 2,000 Mbps plan).
For anyone looking for the latest DOCSIS 3.1 technology and the ludicrous speeds it brings, the ARRIS SURFboard SB8200 and NETGEAR Nighthawk CM2050V are top-rated contenders. And those looking to replace the Xfinity xFi Gateway without having to buy a router as well should consider the NETGEAR Nighthawk C7000 modem and router combo.
No, it's not. While Verizon FiOS uses Miltimedia over Coax Alliance (MoCA) technology, Xfinity's modem technology is Data Over Cable Service Interface Specification (DOCSIS). And because MoCA uses existing internet cables in people's home, MoCA modems won't be compatible with existing DOCSIS cable connections.
If your cable internet provider charges you an expensive modem rental fee every month, consider buying your own modem instead. A modem generally pays for itself in the first year of ownership, and most will give you speedy internet for years to come. After researching nearly 100 cable modems over the past six years, we recommend the Motorola MB7621 as the best cable modem for use with most internet service providers (ISPs) and internet plans.
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. 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.
The first two versions of DOCSIS used only one downstream channel (for downloading data) and one upstream channel (for uploading data). DOCSIS 3.0 allows modems to bond multiple channels into a single data stream, giving you 38 Mbps per channel. Since those channels can combine, you can theoretically get up to 600 Mbps with a 16-channel modem and up to 1.2 gigabits per second (Gbps) with a 32-channel modem. A DOCSIS 3.1 will go further, up into the multi-gig capacity (above 1.2 Gbps), but note that wired Ethernet is limited to 1 Gbps on most current desktop PCs, laptops, and streaming boxes.
The MB8611 supports gigabit internet plans (up to 1000 Mbps or 1 Gbps) as well as multi-gig plans (between 1.2 and 2.5 Gbps). It supports those faster speeds using a 2.5 GbE (2.5 gigabit Ethernet) port on its back panel, just above the usual coaxial (round Cable TV-style) cable. The modem's port will connect to older routers with 1 gigabit Ethernet ports up to single gigabit speeds, and newer routers and mesh networks with 2.5 GbE ports at 1.2 to 2.5 gigabit speeds.
The modem compatibility list for my service shows devices that are modem only, modem with telephone, modem and wifi router, modem and wifi router with telephone. I would like to buy a modem only device and not be told after the fact that I can't activate because I HAVE TO HAVE modem AND telephone device.
My advice with Xfinity is to either use your own equipment to drop the fee, or opt for the xFi Pods. The middle ground of leasing an expensive low-grade modem/router for $15 per month is simply a bad value.
While the cost is high relative to other cable providers, it does provide a better user experience for non-technical customers. The xFi app interface for managing the home network with Xfinity is much cleaner than that provided by stock or third-party modems and routers, which are generally made with little attention on the software side.
However, you lose access to smart home and smart media features, so this is only recomended for customers who want internet-only service. If you're getting a TV bundle, home security, or other add-ons, you will be much happier buying into the xFi in-home Wi-Fi system.
Xfinity does not charge an incremental Wi-Fi fee on their Xfinity Internet Essentials program for low-income households. They include Wi-Fi equipment free of charge for these customers, as part of the base $9.95 per month cost of internet-only service.
I picked these modems after ongoing long-term experiences via my personal use and those of friends, family members, or business partners. All are excellent in their own right and are still working today.
Thanks Dong for the continued (and helpful) content. I would love to switch out my Xfinity modem, but I am not sure if Xfinity Home will work without their XB7 modem / router. Calls to them and searches have come up short of finding an answer.
Comcast has an official list of 83 supported modems or modem/router combos. However, some of the mentioned devices come with bad chipsets, which shall cause overheating and other performance issues. To help you find the right equipment, I tested 17 devices for different factors such as throughput, latency, signal transmission, and efficiency and finally picked the 10 best options for 2023.
Firstly, the Arris S33 works well with any internet plan from Xfinity by Comcast, but it makes sense to buy it for a 1200 Mbps service plan. I used it with the same package and was amazed by the speeds, throughput, and latency.
Being one of the best-rated DOCSIS 3.1 modems, it allows you to experience 2 x 2 OFDM channels for enhanced data transmission. Additionally, it has backward-compatibility which allows it to run DOCSIS 3.0 connections from Xfinity too.
However, the standard internet plans use 32 x 8 channel bonding. Upon connecting this modem to a Wi-Fi 6 router, I experienced the highest wireless throughput of 1167 Mbps in download and 191 Mbps in upload in 5GHz mode.
For a 1200 Mbps high-speed internet plan from Xfinity, it makes sense to invest in the Arris S33. Its 2.5G port, higher throughput, and seamless internet experience make it the one of the fastest modem to use with Xfinity internet.
$153.84 Check on Amazon If you plan to get a top-notch modem replacement for Xfinity Gigabit (1000 Mbps) that cut out the rentals, the Arris Surfboard SB8200 is one of the most appropriate options to invest in. Compared to the SB6190 or other Arris modems that work with Xfinity, the SB8200 boasts better networking standards and higher throughput.
Upon testing the SB8200 with Comcast Gigabit internet, I could get wireless download and upload speeds of 942 Mbps and 37 Mbps, respectively. As far as the performance is concerned, I could play games with low latency and stream them without lag.
I am skeptical about modem performances and technologies, but the SB8200 puts every speculation to rest with a standard Broadcom chipset. So take a sigh of relief if you are wary of those defective Puma chipset-powered modems.
To summarize, the Netgear CM1100 is a more easy-to-handle cable modem for Comcast that works well for high-speed home or office connections. And its link-aggregation support is what separates it from the herd.
Motorola persists with a basic ARM-specific Broadcom processor, which ensures faster internet and better movement of data packets. The chipset provides better speeds even during peak hours, whereas the network congestion is taken care of by the DOCSIS 3.1 standard.
The multi-gigabit modem features DOCSIS 3.1 technology and 32 x 8 channel bonding. It is known to support internet plans of up to 2500 Mbps on paper. And in my test with the 1200 Mbps plan, I could get a maximum download speed of 1152 Mbps and an upload speed of 85-95 Mbps in close range.
As far as the ports are concerned, you get one 2.5Gbps ethernet slot to get you multi-gig speeds. Plus, there are two phone lines to help you work with the IP bundles offered by Xfinity, allowing you to connect the landline phone to the modem. The raw internet performance, full HD streaming, and gaming tasks were handled like a pro.
Netgear CM2050V looks great in all-black. Made of hardened plastic, it assumes the same vertical layout yet with a fresh look compared to its predecessor. It is also one of the more durable products, with dimensions set at 10 x 9.13 x 4.8 inches. There are also 7 LED lights on its front panel that indicates the status of the modem and connection. 59ce067264