Best Modem for Comcast Phone and Internet

Best Modem for Comcast Phone and Internet – While considering buying a modem, it’s important to take note of the average internet speeds available with your internet service provider because it is only worth investing in a high-speed and a costly modem if the internet speed provided by your provider is also high speed. It is smart to buy a modem that supports the maximum internet speed provided by your internet service provider.

No one would want to replace and reinvest in a new modem again soon after buying a new modem. So, do not select extremely slow and low range or extremely cheap modems or the 8×4 modems as the internet service providers are dropping support for these 8×4 modems.


1.Motorola MG7700

The Motorola MG7700 is a router/modem combo and certainly earned a spot as one of the best-designed cable modems in the business due to its sleek and compact build.

The Motorola MG7700 combines an AC1900 dual-band wireless router technology with a DOCSIS 3.0 24×8 channel cable to deliver high-speed Wi-Fi access to its clients.

The performance that the Motorola MG7700 can provide and the relatively affordable price tag that comes with it makes this router/modem an excellent alternative and upgrade to the default unit that your ISP provides.

2.ARRIS Surfboard S33

ARRIS S33 is our pick for the best modem for Xfinity. This absolute beaut’ from ARRIS makes our hearts go pitter-patter. It comes with the latest DOCSIS 3.1 technology, which is just what you need to get the most out of your Xfinity Gigabit plan—even with the new speed hike up to 1,200 Mbps.

But if you want to be on the cutting-edge of modem tech, it’ll cost ya. To be fair, if you’re already shelling out for Xfinity’s Gigabit plan, you’ve probably got enough cash flow that you’re not worried about the $199.99 upfront price tag in exchange for long-term savings.

As for the rest of us, we’ll stick with the bargain modems.


This affordable Xfinity-compatible modem is reliable and easy to install. For a bargain modem you can set and forget, it doesn’t get better than this.

Although this modem doesn’t have the latest DOCSIS 3.1 technology, it uses DOCSIS 3.0 technology at speeds most Xfinity households will appreciate. And if that techy talk has you baffled, don’t worry. We’re just saying the NETGEAR CM400 will take good care of you and your Xfinity plan.

Your favorite writer (me) uses the NETGEAR CM400 at home when I’m not testing out the Xfinity xFi Gateway. It’ll be a perfect fit for you, too, if you use Xfinity’s Performance Starter or Performance Select plans.

4.NETGEAR C3700-100NAR

If you need a modem router combo but you are on a tight budget, check out NETGEAR C3700. It is a reliable device that fits perfectly into a mid-sized home.

The C3700 has a DOCSIS 3.0 cable modem and the dual band router that gives you 8x faster speeds – WiFi goes up to 600 Mbps. It has SPI and NAT firewall protection, while your WiFi is safer with WPA/WPA2, and your kids are safer with limiting access for kids.

This combo works with all major cable internet providers such as Xfinity, Time COX, Cablevision, Warner Cable, and Bright House Networks. It is not compatible with Cable bundled voice service providers.


On a slightly higher price range, there’s NETGEAR C6250. However, not a lot of modem router combos give you up to 1500 square feet coverage and connection to up to 25 devices.

The C6250 is compatible with Xfinity, COX, and Spectrum. However, you won’t be able to use it with  CenturyLink, DSL providers, Verizon, AT&T, DirecTV, DISH, and bundled voice service providers.

It works best with provider plans with up to 300 Mbps of speed, while the router can give you up to 1600 Mbps wireless connection speed, perfect if you’re into HD streaming or gaming.

6.ARRIS SURFboard SBG7600AC2

SURFboard SBG7600AC2 from ARRIS is an excellent modem router combo option in the slightly higher price tag. Still, if offers excellent features.

This combo comes with a DOCSIS 3.0 cable modem, a dual-band Wi-Fi router AC2350, and another 4-port Gigabit router. It is compatible with Xfinity, Spectrum, and COX. You cannot use AT&T, Century Link, or Verizon with this combo.

It can give you speeds up to 1.4 Gbps and Wi-Fi speeds up to 2350 Mbps. The Wi-Fi router has 4 gigabit Ethernet ports and 8 upstream and 32 downstream channels. The signal is adequate for mid and large-sized homes.


NETGEAR is a well-established company in the internet device domain. So, no wonder they have the modem router combo to offer as well. For all those who need the best speeds, security, and great range, the Nighthaw C7100V  is the best choice.

This DOCSIS 3.0 cable modem router device comes in handy if you’re streaming in HD and gaming daily. You can use it with cable internet plans of up to 400 Mbps and it has up to 1900 Mbps WiFi speeds, while the maximum download speed is up to 1000 Mbps.

The 3 antennas and amplifiers boost the signal throughout the entire house. It is compatible with Xfinity and has voice phone support for use with Xfinity Voice.


Best Modem for Comcast Phone and Internet – Modems aren’t necessarily cheap but are nevertheless a necessity in the modern age. Regardless of which internet service provider you choose, you’ll have to now how to identify the best of the best, and the best modems for Comcast enable efficient speeds at a reasonable price.