When any one using a cable Internet, indirectly they need a cable modem and for some internet provider they will charge an additional fee for rent the modem every month. One of the solution is own a cable modem, if you purchase a modem like the motorola cable modem, you only need to recoup the cost in as little as 9 month and then it can start saving about $5 to $10 each month.

After reading many review from online, we recommend the motorola sb6141 dan mb7420 modem for most people. These cable modem compatible with all the major cable ISPs in US including Comcast, Time Warner Cable, Cox, and Charter Spectrum and it supports the Internet speeds available to the vast majority of Americans. However, what is the different between Motorola MB7420 vs SB6141 ?

motorola-mb7420-vs-sb6141

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Motorola MB7420 Modem

This MB7420 modem is new from motorola, this 16 x 4 cable modem released in 2016 and it provides speeds up to 686 Mbps, 16 times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet also it works with DOCSIS 3.0, 2.0, and 1.1 services. For setup is quite fast and easy with a few quick steps set out in a Quick Start guide. This cable modem is suitable for use with the new 250 Mbps and 300 Mbps services available from Comcast, Time Warner etc.

Technical Specifications

  • Dimensions: 4.9 x 2 x 6.1 inches
  • Item weight: 9.3 ounces
  • Power Input: 12VDC – 1 A
  • Supports IPv4 and IPv6 for powerful, flexible network addressing
  • Works with DOCSIS 3.0, 2.0, and 1.1 services
  • Five status reporting LEDs: LAN, Online, Upstream, Downstream, and Power lights allow easy status monitoring.

Downstream

  • Data Rate: Up to 686 Mbps (16 channels), Up to 43 Mbps (single channel)
  • Frequency: 108 to 1002 MHz (edge to edge)

Downstream

  • Data Rate: Up to 123 Mbps (4 channels), Up to 31 Mbps (single channel)
  • Frequency: 5 to 85 MHz (edge to edge)

System Requirements

  • The modem must be connected to a cable modem service that uses any of the DOCSIS standards (3.0, 2.0, 1.1).
  • The supplied power cube plugs into the most common United States power outlet.

Motorola Surfboard SB6141

The Motorola SB6141 cable modem is a good choice for ultra broadband services and perfect fit for a blazing-fast home network. The SB6141 provides user with 343 Mbps download speeds, this is perfect for things like streaming HD Video, online gaming, shopping and downloading. It supports IPv6 – the latest Internet standard and is compatible with major U.S. Cable providers.

Technical Specifications

  • Dimensions: 6.4 x 2 x 8.7 inches
  • Power: 9W (nominal)
  • Channel bonding of up to 8 downstream and 4 upstream channels

Downstream

  • Data Rate: Up to 8 downstream channels (343Mbps download).
  • Bandwidth: DOCSIS = 48 MHz; EuroDOCSIS = 64 MHz

Upstream

  • Data Rate: Up to 4 downstream channels (131Mbps upload).
  • Channel Width: 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz

Motorola MB7420 vs SB6141

When we take a look from the design Motorola MB7420 look more slim, futuristic and elegant than the elder SB6141. And also the Motorola MB7420 is theoretically is faster than the Motorola SB6141, the MB7420 has 16 downstream channel rather than the SB6141 which only has 8 downstream channel. The MB7420 also  able to uses any of the DOCSIS standards (3.0, 2.0, 1.1) meanwhile the SB6141 only work perfectly with DOCSIS 3.0

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