Arris Surfboard SB6121 Cable Modem & Power cord

Arris Surfboard SB6121 Cable Modem with power adapter, Pre-owned Black

Arris Surfboard SB6121 Cable Modem High Speed Internet Motorola

Motorola SURFboard SB6121 Cable Modem with Power Cord

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

Motorola SURFboard SB6121 Cable Modem (Black) - Used with Power Cord

Motorola Arris Surfboard SB6121 Cable Modem with Power Cable