When it comes to getting optimal speeds, the hunt does not only end with finding the right internet plan. In order to make sure you are receiving the maximum speeds you signed up for, you need a reliable modem that offers good coverage and powerful signals.

Upon your subscription to Xfinity Internet, you can get the company’s very own router/modem called xFi Gateway, however, at the same time, you also have multiple other options to choose from. There are some of the best third-party modems available that are compatible with Xfinity services.

So, if you are a customer of any of the Xfinity Internet plans, then this article is going to help you find the best modem with top-notch performance and exciting features.

Our Top Picks of Best Modems for Xfinity

ModelDOCSIS Technology
xFi GatewayDOCSIS 3.1
Motorola MB8611DOCSIS 3.1
NETGEAR Nighthawk CM1100DOCSIS 3.1

1. xFi Gateway

As mentioned, xFi Gateway is Xfinity’s very own router/modem and this equipment offers fast connectivity and coverage in your place. The subscribers of Xfinity Internet plans can get the xFi Gateway modem which enhances their online experience.

This modem + WiFi router is extremely powerful and has multi-gig speed capability with maximum bandwidth for reliable connection. What’s more, xFi Gateway is WiFi 6E, which is the most advanced WiFi technology. The equipment is built to increase the performance of your internet across all devices. Additionally, it offers tri-band WiFi with 2.4GHz, 5GHz, and 6GHz.

Moreover, xFi has DOCSIS 3.1 cable modem technology with built-in security that blocks billions of threats per year. Thus, it protects you by keeping a check on all your connected devices.

Although xFi Gateway is easy to install by yourself, however, you can call on Xfinity customer service number to enlist help from the around-the-clock available representatives.

Contact Xfinity Customer Service: 1-844-207-8722

2. ARRIS S33

One of the best ones available in the market, ARRIS S33 has the latest technology of DOCSIS 3.1, which is exactly what you need in order to get the most out of the Xfinity Internet plans. This is one of the most preferred modems when it comes to providing excellent solutions to multi-Gigabit home networks.

Furthermore, ARRIS S33 is considered ideal for cable internet speed plans up to 2.5 Gbps. The modem has two Gigabit Ethernet ports, one 2.5 GB and another one of 1 GB. In addition to this, it includes 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels and 32 downstream x 8 upstream DOCSIS 3.0 bonded channels. The setup of ARRIS S33 is quite easy.

Amongst its multiple features, it also provides you with a real-time view of the devices that are currently connected to the network via the SURFboard Central app.

3. Motorola MB8611

When it comes to the best modems for Xfinity, Motorola MB8611 successfully manages to charm its users by providing a top-notch experience. It has a multi-gig port which is capable of delivering over 2500 Mbps speeds to the router.

Similar to the other mentioned modems, Motorola MB8611 also has DOCSIS 3.1 technology, which further provides aid to your speed. It is well-equipped with the kind of technology that will keep you connected at all times.

Moreover, Motorola MB8611 comes with a 2.5GB Ethernet port which makes streaming and browsing a seamless experience for you. It also eliminates throttling and takes your internet experience to a whole new level.

You can combine your Motorola MB8611 modem with Xfinity Internet services in order to enjoy an uninterrupted and lag-free web experience.


NETGEAR CM2000, also known as The Nighthawk, uses next-generation DOCSIS 3.1 technology to deliver lightning-fast cable internet. This modem is ideal for the 2 Gbps Xfinity Internet plan, so you can get the most out of its speeds.

NETGEAR CM2000 supports download speeds up to 10 Gbps and upload speeds up to 1 Gbps. It includes a multi-gig port, which enables you to send speeds of 2500 Mbps to your router.

Furthermore, its next-generation technology offers ten times faster download speeds than DOCSIS 3.0 modems, which are expected to phase out in the near future. Hence, a modem with this technology is going to stay relevant for years to come.

5. NETGEAR Nighthawk CM1100

If you predominantly use the internet for streaming purposes, then NETGEAR Nighthawk CM1100 is the right option for you. It works smoothly and does not force you to go over your budget. It is best for people who evaluate modems in terms of latency. It is future-proof since it also features DOCSIS 3.1 networking technology.

Nighthawk CM1100 has 32 x 8 downstream and upstream channels that allow you to benefit from download speeds of more than 900 Mbps and upload speeds of 50 Mbps. Similar to other modems, this one is also perfectly compatible with the Xfinity services.

Whether it is because of its solid performance, affordable price range, or the fact that it has two 2 Gigabit Ethernet ports with auto-sensing technology, NETGEAR Nighthawk CM1100 definitely makes it to the list of best modems for Xfinity.

Closing Thoughts

Getting the best modem can unlock the full potential of your internet connection. Xfinity Internet already offers some of the best plans, each tailored to cater to your needs. On top of it, by combining those services with the right modem, you can get an unmatchable online experience. Therefore, evaluate the best modems for Xfinity mentioned in this article and pick the right one for your home.

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