Feature(may vary by option.)

●This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
●Cable modems Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
●Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year
●Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.

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Description

No modem rental fees. Fast, reliable Internet.No modem rental fees. Fast, reliable Internet.
Family using Internet connected devices.Family using Internet connected devices.

The smart choice for your cable Internet service

Eliminate monthly cable modem rental fees – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.

300+ Mbps – Maximum actual Internet download speed.

GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.

MB7220 cable modem shown with a WiFi routerMB7220 cable modem shown with a WiFi router

Connect any WiFi router you choose

Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.

If the MB7420’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.

Certified by Xfinity, Cox, and SpectrumCertified by Xfinity, Cox, and Spectrum

Recommended for Comcast Internet speeds up to 300 Mbps.Recommended for Comcast Internet speeds up to 300 Mbps.

Easy setup with just 3 connections: power, coax cable, and Ethernet.Easy setup with just 3 connections: power, coax cable, and Ethernet.

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

*Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Easy Setup

Connects fast with just 3 connections – power, coax cable, and Ethernet.

MB7220 product image MB7420 product image MB7621 product image MB8600 product image
MB7220 MB7420 MB7621 MB8600
Customer Reviews
4.3 out of 5 stars
4,311
4.4 out of 5 stars
6,313
4.4 out of 5 stars
28,887
4.4 out of 5 stars
28,887
Price $89.99 $68.14 $87.29 $145.00
Product Type (This table only includes cable modems with NO built-in WiFi router) 8x4 Cable Modem 16x4 Cable Modem 24x8 Cable Modem DOCSIS 3.1 plus 32x8 3.0 Cable Modem
DOCSIS Channel Bonding 8x4 DOCSIS 3.0 16x4 DOCSIS 3.0 24x8 DOCSIS 3.0 DOCSIS 3.1 plus 32x8 DOCSIS 3.0
Certified for These Cable Internet Services. Typically Works with Many Others. Comcast Xfinity, Cox, Spectrum, Sparklight (CableOne), WOW! Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox
Recommended by Comcast Xfinity for Internet Service This Speed Tier or Below 200 Mbps 300 Mbps 600 Mbps 1000 Mbps
Maximum Internet Download Speed (Actual speeds are lower) 343 Mbps 686 Mbps 1000+ Mbps 6000 Mbps
Built-in WiFi Router No No No No
Gigabit Ethernet Ports 1 1 1 1
Works With Any WiFi Router That Has an Ethernet WAN port
Telephone Ports No No No No
What Modem/Router Product is Most Similar to This Modem-Only Product? Yes, MG7315 (8x4 Cable Modem plus N450 WiFi Router) Yes, MG7540 (16x4 Cable Modem plus AC1600 WiFi Router) or MG7550 (16x4 Cable Modem plus AC1900 WiFi Router) Yes, MG7700 (24x8 Cable Modem plus AC1900 WiFi Router) or MT7711 (24x8 Cable Modem plus AC1900 WiFi Router plus 2 Phone Lines) None, but works with any router that has an Ethernet WAN port