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Home > Networking Hardware > Modems > Motorola SURFboard SB6121 Cable Modem

Motorola SURFboard SB6121 Cable Modem

1 x F-type , 1 x 10/100/1000Base-T Network WAN - 222.46 Mbps - External

Motorola SURFboard SB6121 Cable Modem
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Motorola SURFboard SB6121 Cable Modem
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Item No.  758263
Mfg Part No.  575319-019-00
Product Condition:  New
Manufacturer:  Motorola

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30 Day Return Policy

Highlights for Motorola SURFboard SB6121 Cable Modem
  • Form Factor:External
  • Modulation:QPSK
  • Bus Type:Ethernet

Marketing Information

Your customers want high-bandwidth data and multimedia services. Our easy-to-use SB6121 SURFboard eXtreme Cable Modem helps you deliver. Harnessing the power of DOCSIS 3.0, the SB6121 enables channel bonding of up to four downstream channels and four upstream channels-so you can offer your customers advanced multimedia services with data rates of more than 100 Mbps in each direction.

Strengthen your broadband leadership. Count on the Motorola SB6121 to help you deliver innovative, ultra-broadband services to your premium customers.



  • Host Interface: RJ-45
  • Interfaces/Ports: 1 x F-type
  • Bus Type: Ethernet
  • Environmental Conditions

    General Information

  • Product Type: Cable Modem
  • Manufacturer Part Number: 575319-019-00
  • Manufacturer Website Address: www.motorola.com/us
  • Manufacturer: Motorola, Inc
  • Product Model: SB6121
  • Product Name: SURFboard SB6121 Cable Modem
  • Product Line: SURFboard
  • Brand Name: Motorola
  • Media & Performance

  • Data Transfer Rate: 42.88 Mbps Up to 171.54 Mbps DOCSIS Downstream @ 256QAM
  • Maximum Transmission Speed: 222.46 Mbps
  • Memory


    Additional Information

  • Offers innovative, high-bandwidth data and multimedia services to customers
  • Backward-compatible to DOCSIS/EuroDOCSIS 1.x and 2.0
  • DOCSIS 3.0-certified (EuroDOCSIS 3.0-based)
  • Channel bonding of up to 4 downstream and 4 upstream channels 1 GHz capable tuners
  • Supports IPv4 and IPv6 to expand network addressing capabilities
  • Enhanced security: supports Advanced Encryption Services (AES) traffic encryption
  • Remotely configurable and monitorable using SNMP and TFTP
  • Operating Systems:

  • Windows 7
  • Windows Vista
  • Windows XP
  • Windows 2000
  • Linux
  • Mac OS 9 or Higher
  • Green Compliant


    Green Compliance Certificate/Authority

    Energy Star

    Physical Characteristics

  • Dimensions: 5.2" Height x 5.2" Width x 1.7" Depth
  • Weight (Approximate): 1.35 lb
  • Form Factor: External
  • Power Description

    Processor & Chipset

    Management & Protocols

    Technical Information

  • Modulation: QPSK
  • Warranty

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    Motorola SURFboard SB6121 Cable Modem

    1 x F-type , 1 x 10/100/1000Base-T Network WAN - 222.46 Mbps - External
    Add To Cart

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