Motorola Surfboard eXtreme Cable Modem SB6121 DOCSIS 3.0 Open Box

Motorola Arris SURFboard SB6121 DOCSIS 3.0 Cable Modem Ethernet IPv6 Black

Motorola SURFboard eXtreme Docs is 3.0 Gigabit cable modem

Motorola Surfboard SB6121 DOCSIS 3.0 Cable Modem

Arris SURFboard SB6121 DOCSIS 3.0 Cable Modem w AC Adapter

Motorola SURFboard eXtreme Cable Modem DOCSIS 3.0 (SB6121)

Motorola SURFboard SB6121 DOCSIS 3.0 Cable Modem – High-Speed Internet

Motorola Arris SURFboard SB6121 DOCSIS 3.0 Modem w/ Box, Power Adapter, Cable