---
product_id: 239577745
title: "MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed)"
brand: "amazon renewed"
price: "$120.30"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/239577745-motorola-16x4-cable-modem-model-mb7420-686-mbps-docsis-3
store_origin: US
region: United States of America
---

# 686 Mbps Speed 1 Ethernet Port 2-Year Warranty MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed)

**Brand:** amazon renewed
**Price:** $120.30
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Internet Game!

## Quick Answers

- **What is this?** MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) by amazon renewed
- **How much does it cost?** $120.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/239577745-motorola-16x4-cable-modem-model-mb7420-686-mbps-docsis-3)

## Best For

- amazon renewed enthusiasts

## Why This Product

- Trusted amazon renewed brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Setup & Support:** Get online in minutes with a user-friendly Quick Start guide and dedicated USA-based support.
- • **Unleash Blazing Speeds:** Experience lightning-fast internet with up to 686 Mbps, 16x faster than DOCSIS 2.0!
- • **Certified Compatibility:** Seamlessly connects with major providers like Comcast XFINITY and Charter Spectrum.
- • **Compact & Stylish Design:** Enhance your space with a sleek modem that minimizes shelf space and maximizes performance.
- • **Cost-Effective Ownership:** Save over $120 annually by owning your modem instead of renting!

## Overview

The MOTOROLA 16x4 Cable Modem (Model MB7420) delivers high-speed internet up to 686 Mbps, certified by major cable providers. With a single Ethernet port and a compact design, it’s perfect for any home or office setup. Enjoy easy installation, robust customer support, and a two-year warranty for peace of mind.

## Description

MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed)

## Features

- 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 modem's 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 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.
- Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Data Transfer Rate | 686 Megabits Per Second |
| Compatible Devices | Personal Computer |
| Number of Ethernet Ports | 1 |
| Connectivity Technology | Ethernet |
| Color | Black |

## Product Details

- **Brand:** Motorola
- **Internet service provider:** charter_spectrum, time_warner_cable, xfinity_from_comcast, cox_communications
- **Connectivity Technology:** Ethernet
- **Compatible Devices:** Personal Computer
- **Total Ethernet Ports:** 1

## Images

![MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) - Image 1](https://m.media-amazon.com/images/I/31LgYvw15OL.jpg)
![MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) - Image 2](https://m.media-amazon.com/images/I/31RtYUrbTrL.jpg)
![MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) - Image 3](https://m.media-amazon.com/images/I/41fNHhTbceL.jpg)
![MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) - Image 4](https://m.media-amazon.com/images/I/41uW5AwRMHL.jpg)
![MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed) - Image 5](https://m.media-amazon.com/images/I/41y0tdO7NhL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More (Renewed)
- TP-Link AC1900 Smart WiFi Router (Archer A8) -High Speed MU-MIMO Wireless Router, Dual Band Router for Wireless Internet, Gigabit, Supports Guest WiFi

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**Shop now:** [https://www.desertcart.us/products/239577745-motorola-16x4-cable-modem-model-mb7420-686-mbps-docsis-3](https://www.desertcart.us/products/239577745-motorola-16x4-cable-modem-model-mb7420-686-mbps-docsis-3)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-28*