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Cable modem and router combo for comcast9/26/2023 ![]() TP-Link AX1800 – Wi-Fi 6: up to 1800Mbps (1.2 Gbps on 5 GHz band + 574Mbps on the 2.4 GHz band).TP-Link AX3000 – Wi-Fi 6: up to 3000Mbps (2402Mbps on the 5GHz band + 575Mbps on the 2.4 GHz band).The first 3 offer newer Wi-Fi 6 technology. The following routers all handle 1 Gig (1000Mbps+) speeds, offer great value, and are highly rated Amazon best sellers with 4+ star customer ratings and pair nicely with the modems above. But, if you are sure you want it, the following modems are Xfinity Voice compatible: In my view, Xfinity Voice is overpriced, with much cheaper VOIP landline options out there that you can connect to any router (see Ooma). Modems with Xfinity Voice Capability (Pair with a Router Below): ![]() Arris Surfboard SB6190: up to 859Mbps (DOCSIS 3.0).Netgear CM700: up to 935Mbps (DOCSIS 3.0).These are also all top sellers on Amazon with 4+ star customer ratings. These modems are all good as well, use DOCSIS 3.0 technology, have high (close to 1 Gbps) but slightly lower top speed capabilities, in exchange for lower prices. Good Modems (Pair a with a Router Below): If you’re paying for top speeds with Xfinity, go with one of these. All are top sellers on Amazon with 4+ star customer ratings, offer the latest DOCSIS 3.1 technology, over 1Gbps (=1,000Mbps, or 1 “Gig”) speed capabilities, and have been chosen for great value for their price. These modems have the latest/greatest technology and will be able to meet top ISP speeds for a long time. Just select from any of the following modem and router combinations below (all are Xfinity-supported and compatible and will work with most other ISPs too): I comb through every Xfinity-compatible modem available and the Amazon best seller lists frequently, so you don’t have to. You need to buy both a modem and router, or alternatively a combo gateway, which has the functionality of both. Remember, a modem + a router = a gateway. If I were buying today, I’d choose the Motorola MB8611 modem and TP-Link AX1800 router, but any of the below modem + router combos will be more than sufficient for 99.9% of users. New and improved modems and routers come out all of the time. After doing some research, however, I had noticed that this device had horrible reviews due to a number of problems working with Comcast’s network through firmware updates (or, lack of). The customer support tech I had spoke to previously had recommended a now obsolete Motorola gateway. Comcast recently upgraded their network to DOCSIS 3.1, but it is backwards compatible to previous generation DOCSIS model modems (e.g. There is a list of Xfinity supported cable modems that are compatible and supported with their network (and many modems are compatible even if not supported). Not to mention, this setup is often more reliable, based on reviews of gateways. ![]() It will work the same, but buying separately allows you to replace one half of the combo if you want to upgrade more cheaply in the future, versus the entire (more expensive) device. ![]() You can go with a cable modem and pair it with a wireless router. You do not need to buy a 2-in-1 gateway device (modem + router in 1 device), such as the one Comcast commonly supplies and brands as “xFi”. Buy an Xfinity Compatible Modem & Router or a Gateway to Replace your Comcast Modem I will specifically detail how I replaced a Comcast modem with my own, but this should be applicable to other ISPs as well. Here is How to Replace a Comcast Modem with your Own, in 4 Easy Steps: Update: I’ve also written more broadly on how to get rid of your ISP modem rental fee (if you’re not a Comcast customer). Now, I am no longer paying the ridiculous $15 per month rental fee for a Comcast modem – and I want to share how you can do the same. Don’t let Comcast fool you – anyone can do this on their own. So, I decided to replace the Comcast-owned gateway, with my own, at a current cost savings of $180 per year. And, Xfinity is even using their leased modems as Wi-Fi hotspots ( but you can opt out). I hated seeing a device with a little “ Xfinity” logo on it sitting next to my computer. And, when you get a discount on your modem rental, it leaves you with little leverage to negotiate bigger discounts on the cost of the internet service. I had successfully tried the Comcast negotiation route before – but it’s easy to forget to call in to negotiate every 6 months or so.
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