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Best Overall Internet Modem for Xfinity NETGEAR CM Series



Best Modem Router Combo For Comcast in 2021


Let’s get right into it and look at all of the 10 best Modem Router Combo forComcast just for you to have fun while spending less money.The ARRIS DOCSIS 3.0 8×4 Cable Modem CM820A provides high-speed data access toComcast cable and internet customers for both home and business use. TheCM820A provides data services at speeds exceeding 300Mbps to customers tocompete with VDSL and fiber-to-the-home menaces and a portal for deliveringcompetitive high capacity commercial services for companies.Key Features: * Downward compatible with DOCSIS 1.0, 1.1, and 2.0. DOCSIS 3.0 compliant with the CM820A. Compatibility with Comcast. * Superior bandwidth with 8×4 downstream/upstream channel bonding. Please contact your ISP to ensure compatibility. * Customers must check with their cable company to see if they will be able to use this before purchasing, even if they have the same model. Some of these modems are pre-programmed by their cable company.The TD-latest W9970’s VDSL2 technology enables it to deliver remarkable VDSLbroadband speeds of up to 100Mbps, which is nearly four times faster thanADSL2+. The TD-W9970 supports VDSL2, ADSL2+, ADSL2, and ADSL. With 300 Mbpswireless speeds on the 2.4 GHz band and 4 megabit LAN ports, the TD-W9970 isideal for HD streaming, online gaming, and other applications. Two external4dBi high-gain antennas broadcast signal to every corner of your home,resulting in a strong, stable WiFi network.Key Features: * Versatile Connectivity – The TD-W9970 has DSL and LAN/WAN ports and is fully compatible with the VDSL2/ADSL2+/ADSL2/ADSL standards, as well as fiber/cable access. * Enhanced Speeds – Super-fast VDSL broadband speeds of up to 100Mbps are combined with 300Mbps WiFi. * RJ11 (Telephone Line) input type, backed by ISPs such as MTNL, BSNL, and Tata Indicom, External Power Supply 9VDC/0.85A. * Using any iOS or Android mobile device, you can easily access and maintain your network, which includes a remote control and automatic updates.The Netgear AC1900 Dual Band Cable modem, WiFi router is created to DOCSIS 3.0specifications, making it 8 times faster than DOCSIS 2.0. The router can reachspeeds of up to 1.9 Gbps. Ideal for Internet Cable services with speeds of200Mbps or higher. XFINITY certified by Comcast, Cox, Spectrum, and others.Ensure continuous HD video streaming with the industry’s first 24×8 cablechannel bonding, which provides the fastest download speeds even during rushperiods.Key Features: * The WiFi standard is 802.11 Ac for NETGEAR Nighthawk AC1900 (24×8) DOCSIS 3.0 WiFi Cable Modem Router Combo. * Wireless speed of up to 1900MBPS is provided. * It has a voltage range of 120240 volts. * The maximum data transfer rate is 1.9 gigabits per second. * WiFi coverage extends up to 1800 square feet and is linked to 30 devices. * The number of available ports is six. There are a total of one USB port available.Not only is this the ideal Modem Router Combo for Comcast, but also a varietyof other ISPs. It is quick, durable, and cost-effective. Because it isspecifically designed for that, you will have incredibly fast internet speed.You can also combine it with any voice service, such as Verizon, CenturyLink,or others. It’s one of the best modem combo routers for Comcast.Key Features: * Works with all significant cable providers, including Comcast’s Xfinity, Spectrum, and COX. * Supports cable internet plans with speeds of up to 300Mbps, ensuring fast, dependable internet speed for HD streaming and other activities. * WiFi coverage of up to 1500 sq. ft. because of range-expanding amplified antennas, you can enjoy strong, dependable WiFi coverage.Netgear C3700 is compatible with Comcast Xfinity because it provides high-speed internet with a really lengthy and reliable range. There are no lagswhen streaming HD videos or playing high-end games, you can enjoy yourselfwithout any disturbance. The Netgear C3700 includes a DOCSIS 3.0 cable modemas well as a dual-band router. This combination can provide an internet speedthat is eight times faster, imagine a speed limit like that.Key Features: * This 2-in-1 N600 WiFi router and integrated DOCSIS 3.0 cable modem provide 8 times higher data speeds of up to 340 Mbps. Works with all major cable Internet service providers, including Comcast XFINITY, Time Warner Cable, Cox, Cable-vision, and others. * Gigabit Wired is ideal for high-definition gaming and video streaming and WiFi coverage with a greater range for large homes, you can sit anywhere and use it efficiently. * Simple to use and install Setup is simple for iPad’s, tablets, smartphones, and computers.You’ve probably heard of Motorola routers, which are among the best routers,and this should be included in this article. Motorola routers provide high-speed internet for plans of up to 375 Mbps. The Motorola MG7700 is the nextdevice, which has DOCSIS 3.0 and an AC1900 dual-band router with four GigabitEthernet. It is also approved by Comcast Xfinity, Cox, and other cablecompanies.Key Features: * Power Boost technology boosts the wireless connection to the Federal Communications Commission’s (FCC) limit, allowing for faster WiFi maximum speed and greater WiFi wide variety. * Any-beam WiFi beam-forming at 2.4 and 5 GHz focuses the wireless connection on your wireless systems to improve wireless effectiveness further and further. * Integrating the modem and router saves space, limits the number of wires and authority chunks, and offers a unified user experience.Similar to the Motorola router, arris is one of the best routers you will evercome across for your Comcast Xfinity connection. ARRIS SBG10 has a maximumspeed of 250 Mbps. It includes a DOCSIS 3.0 Cable Modem, an AC1600 dual-bandWiFi Router, and a 2 Port Gigabit Ethernet Router for lightning-fast internetaccess.Key Features: * It has 16 downstream and 4 upstream channels and AC1600 WiFi, specially designed for homes with fewer devices to maintain. * Compatible with major cable internet providers in the United States, including Cox, Spectrum, Xfinity, and others. * Two products in one device The SBG10 combines a DOCSIS 3.0 cable modem with a WiFi router that supports 802.11ac and has two gigabit Ethernet ports.Another Motorola router, this time the Motorola MB7420. The Motorola MB7420 isjust another device that includes a DOCSIS 3.0 Cable Model and an AC2200 dual-band WiFi 1 Gigabit Router. It also protects you from DOS attacks and includesa firewall. Setting up this system is also very simple and straightforward andisn’t as complicated as most routers.Key Features : * It has four Gigabit Ethernet ports and can handle speeds of up to 375 Mbps. * The Motorola AC2600 router connects all of your WiFi and Ethernet devices, as well as whatever Ethernet-capable router you use for Internet connectivity, via a high-speed intelligent router connection.For Comcast users, the ASUS CM-32 is a perfectly compatible appliance. Youwill receive a DOCSIS 3.0 cable modem and an AC2600 router with four externalantennas. As a result, it has an extremely fast internet speed and a widerange.Key Features: * Dual USB 2.0 enables the sharing of photocopiers and exterior USB drives and remote access via AiCloud. * Cable-labs certified 32 x 8 link aggregation continues to support any cable internet service with a speed of up to 1.3 Gbps. AC2600 WiFi is ideal for connected homes with multiple devices gaming, streaming, and downloading at the same time. * The DOCSIS 3.0 32×8 cable modem + ac2600 WiFi router (4×4) all-in-one provides complete bandwidth access to the internet as well as extensive wireless coverage.The SURFboard SBG8300 is a DOCSIS 3.1 WiFi cable modem, which is the mostrecent standard available from cable internet service providers. It can bondup to 32 downstream and 8 upstream DOCSIS 3.0 channels or 2 x 2 OFDM DOCSIS3.1 channels, allowing for increased bandwidth and true gigabit-speedcapability. You can have a fast home network fully operational with just a fewspeedy cable connections and an entrance to your ISP’s activation page.Key Features: * The SBG8300, with 32 downstream and 8 upstream channels, as well as 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels, is capable of true gigabit upload speeds, making it the ideal alternative for gigabit internet schemes. * It supports WiFi speeds of up to 2350 Mbps. You can easily stream HD videos and play games without lag and getting interrupted. * The device is also very easy to set up. You can do this by using the Surf-board Manager app on your mobile device and controlling it from the palm of your hand without any complications.

Best Overall Internet Modem for Xfinity: NETGEAR CM Series


Pros * Very affordable options available in the series * Top speeds on high-end models are impressive * 24/7 tech support available for 90 days from purchase Cons * Only a one-year hardware warranty provided * Must purchase from specific retailers to use free tech supportWhen you’re choosing the best modem for Xfinity, you don’t want to pay foranything more than you need. That’s why the NETGEAR CM Series modems are thebest overall option for most plans. The eight models in this line are tieredby maximum download speed so you can match your modem to the Xfinity internetplan you’ve chosen.The modems start at $39.99 for the NETGEAR CM400, which supports downloadspeeds up to 100 Mbps, and go all the way up to $249.99 for the NETGEARCM1150V, which includes 2000 Mbps download speeds and voice support.While the NETGEAR CM series modems don’t support WiFi, they are compatiblewith any WiFi router. Each modem in the series comes with a one-year limitedwarranty as long as you register the product with NETGEAR within 90 days ofpurchase.

Is the location of my WiFi modem or router important to my wireless


speed?Yes, the location of your WiFi modem or router is important to your wirelessspeed. The farther your computer or other device is from the router, theslower the speed of your Internet service. It is always best to place the WiFirouter or modem in the center of the area you wish to cover, and as elevatedas high as possible. This will provide for the maximum wireless coveragepossible to the highest number of client devices.If you are having difficulty connecting wirelessly to your router in someinstances or only getting a low Mbps wireless link to your client, it might bebest to move your router or gateway to a more centralized and elevated area,or consider installing a wireless repeater or range extender to provideadditional coverage in areas near the coverage border. To learn how tooptimize your In-Home WiFi Network, seeWays to Improve Your In-Home WiFi Network.

Why do I get different internet speeds on my computer and my


phone/tablet?Test my internet speed test measures the actual speed for your internetconnection at a particular instant and so these may lead to variation in thetest results depending upon the network congestion and the bandwidthavailable.

Q: What time of the day is the internet speed fastest?


Between the hours of 7 am and 9 pm, the internet speed generally slows downdue to the number of people that are using it. Between 2 am and 3 am, however,speeds increase due to a smaller volume of people using the network. At thoseearly hours, internet speed has been shown to jump to 10 Mbps, compared to the6 Mbps that it usually operates at. If you are struggling to find the mostefficient time to connect to your internet network, it might be helpful toexpress your internet speed concerns to your provider. They have the abilityto adjust your bandwidth.We hope you like the items we recommend! Screen Rant has affiliatepartnerships, so we receive a share of the revenue from your purchase. Thiswon’t affect the price you pay and helps us offer the best productrecommendations.Share this Buyers Guide About The AuthorEmmanuel Owolabi (21 Articles Published)Emmanuel Owolabi is a writer who has been writing for the internet since 2015.He has a bachelor’s degree in English and he is a lover of words. He is anavid lover of fiction who fell in love with the literary world when he wasmuch younger. He has written copy for websites, especially in the constructionindustry. He has also ghostwritten articles, ebooks, and blog posts forseveral clients before joining ScreenRant as a technical writer. He also worksin the educational technology sector and loves helping people around him getbetter information about technology. He loves movies that fall into thehistorical, action, war, or sci-fi genres. People around usually ask him forhelp regarding making the right choices when it comes to technologicalproducts. Emmanuel now enjoys helping people make decisions on technologicalproducts to go for through ScreenRant. He continues to update his knowledge ofwriting and technology through reading and taking online courses. You canfollow him on Twitter @emmanuelowolabMore From Emmanuel OwolabiBest Modems for Xfinity (Updated 2020)Comcast Xfinity is one of the largest internet service providers for homes inthe United States. The company serves customers across 40 states and providesinternet access to roughly 110 million people. When you decide to have ComcastXfinity as your ISP, you have various data plans to choose from, and thosedata plans offer varying speeds. The speed you get is also proportional toyour subscription cost as the prices vary for the plans.Users need a modem to access the provided internet in their homes, and manyusers choose to make use of the renting option provided by their ISPs.However, if you, like many others, have learned that it costs less to own yourown modem than rent from your ISP, then you might be searching for the bestmodem to purchase for your Xfinity. At Screen Rant, we understand theimportance of using the best tools. Hence, we have compiled this list for youto go through and make it easier for you to purchase a suitable modem for yourbuilding.The Motorola MG7550 comes with an inbuilt AC1900 3×3 Gigabit router and PowerBoost. The router is a dual-band router and supports both 2.4 GHz and 5 GHzfrequencies. This is a DOCSIS 3.0 modem with 16 download channels and fourupload channels. It is Comcast Xfinity certified and is suitable for you ifyour internet service speed is up to 375 Mbps or you intend to upgrade. Itcomes with a Broadcom cable modem that protects you from DOS attacks. The DFSalso helps protect you from interference coming from other buildings. Whileyou are reading this list because you already subscribe to or intend tosubscribe to Comcast Xfinity, you should be aware that this modem alsosupports other ISPs such as CableOne, Charter Spectrum, Cox, Suddenlink, TimeWarner Cable, and WOW!.The Motorola MG7550 Power Boost amplifies the Wi-Fi signal from the router tothe legal limit. Hence, you get to enjoy a wider coverage area and anincreased speed. The device comes with two years of warranty that protects youin the event of a malfunction. However, you should note that this modem doesnot come with telephone jacks and, as such, does not support voice calls. Itis easy to install, and as it is a modem/router combo, you reduce the numberof wires and power ports you need to use in your home. However, you shouldnote that the advantage that comes with this setup, as with any othermodem/router combos, is that if one aspect is damaged, then you lose both.Read MoreKey Features * DOCSIS 3.0 * 4 Gigabit Ethernet Ports * Firewall DFS * Dual BandSpecifications * Speed: 686 Mbps * Channels: 16×4 * Ports: 4 Gigabit Ethernet Ports * Router Included?: Yes * Brand: MotorolaPros * Power Boost * Less Vulnerable to Interference * Status-reporting LEDs * Power Surge ProtectionCons * Range changes based on living arrangementsThe ARRIS Surfboard SVG2482AC is one of the very best modems you can buy ifyou are a Comcast Xfinity subscriber. It’s a 4-in-1 product that includes aDOCSIS 3.0 cable modem, an AC1750 Wi-Fi access point, a 4-port GigabitEthernet router, and an Xfinity Telephony Modem with two telephony ports. Italso has two USB ports at the back to connect your USB devices. Thismodem/router combo is approved for use with the Xfinity internet and voiceservice and can’t be used with another cable internet service provider. It has24 downstream channels and eight upstream channels. The modem is suitable foryou if your internet plan gives you speeds up to 600Mbps. The router is adual-band Wi-Fi router that gives you access to 2.4GHz and 5GHz bands for yourconnections. You can conveniently connect your numerous devices to thismodem/router combo, and you also have the option of purchasing a batterybackup for instances where power outage might occur.Owning the ARRIS Surfboard SVG2482AC gives you access to one of the fewgateways that support the Xfinity VOIP. This modem lets you enjoy your XfinityTriple Play plan if you have one. It is easy to set up, and the activationprocess can be done within 10 minutes. However, you might need to wait forabout 40 minutes after your activation and reset it before you can get theoptimal performance. This period is used to sync with your ISP’s settings anddownload any firmware updates the modem needs.Read MoreKey Features * DOCSIS 3.0 * Xfinity Telephony Modem * AC1750 WiFi Access Point * 2 Telephony PortsSpecifications * Speed: 1 Gbps * Channels: 24×8 * Ports: 4 Gigabit Ethernet Ports * Router Included?: Yes * Brand: ARRISPros * Works for Xfinity internet & voice service * 24 downstream and 8 upstream channels * Reliable connectivity * Optional battery backupCons * Not compatible with another cable internet service providerThe Motorola MB7220 is a DOCSIS 3.0 cable modem that is well suited for use onthe Comcast Xfinity network. It has eight download channels and four uploadchannels. It provides speeds up to 343 Mbps and uses a Full-Band Capturedigital tuner to provide reliable and speedy internet access to users. It hasa single Gigabit Ethernet port at the back, which can be used to connect to agame station, a PC, a TV set, or a wireless router to ensure the connectioncan be used by various devices at once. It is certified by Comcast Xfinity aswell as BrightHouse, Cox, Time Warner Cable, and other major cable InternetService Providers in the United States.The Motorola MB7220 is easy to set up and activate by users. It also has acompact and attractive physical design that makes it fit easily wherever youput it. The vertical design also helps minimize the horizontal space beingused whenever you place it on a shelf or otherwise. There are holes on thesides that serve as vents to help airflow and cool down the modem. It iscompatible with any router you want to use, hence, you can choose from avariety of options that are available or check our article on the best routersfor you. You should, however, note that in case you decide to switch internetservice providers, the Motorola MB7220 is not compatible with Verizon, AT&T,CenturyLink, and other fiber optics, satellite, or DSL services. There is alsono Telephony port to support voice calls.Read MoreKey Features * DOCSIS 3.0 * SIngle Ethernet Port * Power Surge Cirtuit * No Telephone JackSpecifications * Speed: 343 Mbps * Channels: 8×4 * Ports: 1 Gigabit Ethernet Port * Router Included?: No * Brand: MotorolaPros * Compact design * Compatible with any router * Certified by Comcast * Easy setupCons * Pricey for the download speed offeredThe ARRIS Surfboard SBG10 is a great modem and router combination for ComcastXfinity users as well as subscribers to other cable internet service providerssuch as Comcast, Cox, and Spectrum. However, it does not support cable digitalvoice service. In case you decide to switch from Xfinity in the future, youshould note that this modem is also not compatible with AT&T, Century, orother DSL and Fiber internet service providers. It is a DOCSIS 3.0 modem withan inbuilt AC1600 dual-band Wi-Fi router. It has two Gigabit Ethernet portsfor extra wired connectivity.It has 16 download channels and four channels for upload. These channelsensure efficient speed for people with cable internet subscription plans thatallow for up to 300Mbps. You can set it up and manage it with the SURFboardmanager app. Measuring 6.77 x 1.97 x 6.58 inches, you save space when you useit as you don’t have a separate modem and router. You also get to benefit fromthe vertical design, and the holes on the sides allow air to penetrate andreduce the heat being emitted when the modem/router has been in use forextended periods.The ARRIS Surfboard SBG10 is easy to set up, and all you need to do is:connect all necessary cables, contact Comcast via the web portal or phone,configure the Wi-Fi settings, and connect your devices to the router. If youalready have a router, you can simply disable the inbuilt router and use themodem function only while knowing at the back of your mind that you have anextra router available in case your old one packs up.Read MoreKey Features * DOCSIS 3.0 * Compatible with major US cable inernet providers * AC1600 Dual Band WiFi Router * 6.77 x 1.97 x 6.58 inches modem dimensionsSpecifications * Speed: 686 Mbps * Channels: 16 x 4 * Ports: 2 * Router Included?: Yes * Brand: ARRISPros * Quick and easy to set up * 2 Gigabit Ethernet Ports * 16 downstream and 4 upstream channels * Well-ventilatedCons * Might be inconsistent with distant connectionsThe Netgear C6250 is a cable modem Wi-Fi router combo that is compatible withall major cable internet service providers, including Xfinity. It delivershigh internet speeds and is suitable for people with up to 300 Mbps speed. Italso has a wide wireless coverage area of 1500 sqft as a result of the range-boosting amplified antennas. You can connect up to 25 devices at once, withspeeds up to 1600 Mbps. You also get two ethernet ports for your devices and aUSB port you can use to share files and gadgets such as printers. It has 16download channels and four upload channels bonding with DOCSIS 3.0, which isfaster and better than DOCSIS 2.0. The C6250 also allows you to have parentalcontrols and provides you with WEP and WPA/WPA2 security protocols.With the Netgear C6250, you would have recouped your investment within a yearwhile enjoying better service than that provided by ISP-rented modems. It iseasy to set up, and you can activate it by following the on-screen prompts youget when you connect the ethernet cable to your PC or by calling your cableprovider to activate it for you over the phone. There are seven LED lights atthe front lower part of the modem that lets you know the status of your modemand router. However, those who use VPNs should note that this modem/routercombo does not support VPN usage, hence, they might encounter disconnectionproblems if they try to use a VPN with it.Read MoreKey Features * DOCSIS 3.0 * WEP and WPA/WPA2 Security Protocols * Connects up to 25 Devices * 2 Gigabit Ethernet PortsSpecifications * Speed: 680 Mbps * Channels: 16×4 * Ports: 2 Gigabit Ethernet Ports * Router Included?: Yes * Brand: NetgearPros * Compatible With All Major ISPs * Easy Setup * Reliable Connectivity * USB PortThe NETGEAR Cable Modem CM500 is one of the best modems for Xfinitysubscribers as it uses the DOCSIS 3.0 technology, which makes it faster thanmodems using the DOCSIS 2.0 technology. This modem is compatible with Xfinityas well as other major Internet Service Providers such as COX and Spectrum.However, you will be unable to use this modem with bundled voice services, DSLproviders, DirecTV, DISH, Verizon, AT&T, and CenturyLink.The CM500 has a peak speed of 680 Mbps, hence, it is very much suitable forusers who have internet service capped at 300 Mbps. There is a GigabitEthernet port for connection with Wi-Fi routers or personal computers. It has16 download channels and four upload channels. It is compatible with mostoperating systems and can work with any Wi-Fi router. All you need to do isconnect your Wi-Fi router of choice to the modem via the Gigabit Ethernet portand connect all your devices to the router.The NETGEAR Cable Modem CM500 is 7.28 x 4.88 x 2.36 inches in dimension andcomes with indicator lights that will not light up your room at night. It alsoweighs just 1.46 pounds. It is a modem of choice with qualities that willsatisfy the majority of internet users and provides a solid performance.However, users with high-speed internet plans should go for a modem thatoffers higher download and upload speed so as to take full advantage of theirsubscription.All in all, the CM500 is a router you are sure to enjoy if you belong to thesame category as most internet users.Read MoreKey Features * DOCSIS 3.0 * Works with any router * 16 x 4 channel bonding * Single Gigabit Ethernet port connectionSpecifications * Speed: 300Mbps * Channels: 16 x 4 * Ports: 1 Gigabit Ethernet Port * Router Included?: No * Brand: NetgearPros * Easy to set up * Can work with various operating systems * Speed strong enough for HD streaming * Relatively affordableCons * Does not work for cable bundled voice services * Comes with just one year warranty The Arris SURFboard SBG6950AC2 gives you a modem, a Wi-Fi router, and a 4-portethernet router. It is certified for various internet service providers,including Comcast Xfinity. It is compatible with various operating systemssuch as Windows, Mac Os, Unix, and Linux. It has 16 download channels and fourupload channels. The router also supports dual bands (2.4 GHz and 5 GHz) andis suitable for cable ISP plans up to 300 Mbps. It has Wi-Fi Beamforming formaximum range and performance. It also McAfee Secure Whole Home Internet forsecurity and has an app that can be used for both the configuration and themonitoring of connected devices. It is also backward compatible with DOCSIS2.0.This device helps you achieve faster streaming and downloading speeds andhelps you save space with its 3-in-1 combo. However, there are complaintsabout it getting heated after being in use for several hours, so you need toput it in a well-ventilated area if you don’t want to lose connection.It is quick and easy to install, and it offers good value for the price whenyou consider the combination of being a router and a modem. The ArrisSURFboard SBG6950AC2 is a great replacement for your Xfinity rental. Itprovides a stable connection suitable for streaming, gaming, and other onlineactivities you might want to perform. However, some users don’t like theMcAfee Secure Whole Home Internet antivirus that comes bundled with the modem.Overall, the device is great, and you can rest assured that if it develops anyfault during the warranty period, you can exchange it for a new one.Read MoreKey Features * Backward Compatible with DOCSIS 2.0 * Dual band Wi-Fi Router * 4 Port Gigabit Router * McAfee Secure Whole Home InternetSpecifications * Speed: 686 Mbps * Channels: 16 x 4 * Ports: 4 Gigabit Ethernet Ports * Router Included?: Yes * Brand: ArrisPros * Easy-to-use App * Straightforward Installation * Reliable Performance * 4 Ethernet PortsThe MOTOROLA MG7315 is a DOCSIS 3.0 modem that has its own inbuilt router.Hence, you don’t have to spend extra to get a separate router for your home.The router is a single-band (2.4 GHz) router. You will find 4 Gigabit Ethernetports at the back that can be used for a wired connection for up to 4 devicesat once. The modem provides speeds up to 145 Mbps and is backward compatiblewith DOCSIS 2.0. It also has a Broadcom Cable Modem Chipset for preventing DOSattacks. The modem/router combo is approved for use by Comcast Affinity andXfinity, BrightHouse, Cable One, Charter Spectrum, Cox, Mediacom, RCN, TimeWarner Cable, and WOW!. However, this modem, like other cable modems, is notcompatible with DSL, fiber optic, or satellite services from providers such asAT&T, CenturyLink, and Verizon. It also doesn’t support telephony services,and there is no phone jack present.The Motorola MG7315 comes with a wireless power boost that increases the rangeand speed of the device up to limits allowed by law. It also uses AnyBeam Wi-Fi beamforming to focus the wireless signal on connected devices and preventdisconnections while enhancing performance reliability. It is easy to set upand install. Furthermore, there are LED light indicators at the front to showyou the status of your modem/router. The vertical and mesh design at the sidesallow for space conservation while providing heat dissipation for the modem.You should note that, as with all modem/router combinations, once an aspectgets damaged, you might need to change the whole setup. However, this shouldgive no cause for alarm as there is a warranty, and you would most likely haverecouped your investment before any need for repair ever occurs.Read MoreKey Features * DOCSIS 3.0 * Broadcom Cable Modem Chipset * Wireless Power Boost * Vertical DesignSpecifications * Speed: 343 Mbps * Channels: 8×4 * Ports: 4 Gigabit Ethernet Ports * Router Included?: Yes * Brand: MotorolaPros * Certified by Comcast Xfinity * Reliable connectivity * Dual Band (2.4 GHz and 5 GHz) * Easy installationCons * Relatively low number of channelsThe ARRIS SURFboard SB8200 is a future-proof modem and one of the best forComcast Xfinity subscribers. It is also compatible with other major US cableinternet providers, hence, if you for one reason or the other want to switchproviders in the future, you don’t have to worry about losing your modem. Thisis a DOCSIS 3.1 modem, hence, whoever buys it gets to enjoy the latesttechnology being provided by internet service providers. It is also backwardcompatible with DOCSIS 3.0. The ARRIS SURFboard SB8200 comes with a cat-7Ethernet patch cable, which can be used with wired home and office networks.It supports IPv4 and IPv 6 internet browsing standards.The SB8200 comes with a Broadcom BCM3390 chipset and boasts of up to 10Gbpsdownload speed and comes with RJ45 connectors for universal connectivity. TheRJ45 connectors are gold plated and have a durable PVC jacket, hence, you canrely on the optimal data transfer it provides. It comes with 3GB of RAM, whichputs it at an advantage over other DOCSIS 3.1 modems, most of which come with256 MB or less RAM size.The SURFboard SB8200 can bond up to four upstream and 16 downstream channelsand works well for the Xfinity cable plan, which is capped at 300 Mbps. Thishigh-speed internet modem is easy to set up, even for people with little to noexperience. All you need do is to connect the cables, connect your Wi-Firouter, and contact your internet service provider to activate it.Read MoreKey Features * DOCSIS 3.1 * Cat-7 Ethernet patch cable * RJ45 connectors with gold plating * Up to 10 Gigabits per secondSpecifications * Speed: 10 Gbps * Channels: 32×8 * Ports: 2 Gigabit Ethernet Ports * Router Included?: No * Brand: ArrisPros * Connects to components in a wired LAN * Quick and easy to set up * Compatible with other major cable ISPs * Link Aggregation CapableCons * Can become very hot while in useThe NETGEAR N600 DOCSIS 3.0 Cable Modem Router (C3700) is another modem/routercombo that is certified for Xfinity. Apart from Comcast, it is also certifiedby other cable internet service providers such as Cox and Spectrum. It has twoGigabit Ethernet ports at the back, giving you an option for wired connectionsfor two devices. There is also a USB 2.0 port to share files among the deviceson your network. It is also suitable for sharing gadgets such as printers andscanners. The modem is compatible with various operating systems such asWindows, Mac, Linux, and Unix systems running a TCP/IP network. You get up to340 Mbps modem speed, and the Wi-Fi router gives you dual-band (2.4 GHz and 5GHz) N450 speed. There is also a security feature that helps prevent DOSattacks. It is cost-effective and easy to set up and activate on the Xfinitynetwork.The Wi-Fi coverage range provided by the NETGEAR N600 DOCSIS 3.0 Cable ModemRouter (C3700) is suitable for large homes as it is expanded to reach thelimits permitted by law. You can also create a guest network to provide aseparate and secure network for your guests without giving out your mainnetwork’s login details. With WPA/WPA2, you get the highest level of wirelesssecurity in your home. It is easy to set up and activate and also weighs just1.89 pounds. It provides reliable connectivity. Hence, you don’t have to worryabout dropped connections when you are in the middle of an important activity.Read MoreKey Features * DOCSIS 3.0 * 2 Gigabit Ethernet Ports * USB 2.0 Port * Dual BandSpecifications * Speed: 340 mbps * Channels: 8×4 * Ports: 2 * Router Included?: Yes * Brand: NETGEARPros * Value for money * 2-in-1 * Easy to install and activate * Reliable connectionCons * Only ISP can update firmware * Can’t connect to VPNThere are various factors you want to consider before you purchase your modem.You want to make sure the modem you purchase is compatible with the Xfinitynetwork. You might also want a modem that suits your specific needs, such asthe number of ports, the size, or the design. We have written the principalthings that you should consider before you purchase your own modem to use withthe Xfinity network.

Best Modem + WiFi Router Combo: NETGEAR C6250


Pros * Good for streaming HD videos and online gaming * Works with most major national ISPs * Has fastest cable internet speeds during peak hoursCons * May not work with all internet providers * Only has a limited one-year warrantyMost of the Xfinity compatible modems on our list don’t include built-in WiFi.If this is a must for you, the best internet modem for Xfinity that alsofunctions as a WiFi router is the NETGEAR C6250. In addition to working as anormal modem, this device eliminates the need to purchase an additional routerby supporting WiFi for up to 25 devices.The NETGEAR C5250 is recommended for plans up with download speeds to 300Mbps. The signal is strong enough to cover an area of 1,500 sq. ft.; if yourhome is significantly larger than this, you may benefit from purchasing anadditional WiFi extender.

Q: Why does my internet connection slow down at certain times?


If an internet provider is experiencing a high volume of internet users, theoverall network can be impacted. For instance, if you notice a lag in theservice at night, it could be due to the number of people that are connectingto the network. Another potential issue could be that your equipment is takingon more than it can handle. If you’re using an outdated modem or router toprocess large amounts of data, you might see the impact in the speed of yourconnection. Contacting your internet service provider can help because theyhave the ability to adjust the bandwidth.”

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