Motorola ARRIS SB6121 SURFboard Cable Modem.

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

ARRIS SURFboard Cable Modem Router w/ Power Cable - Model SB6121 - Black

Motorola ARRIS SURFboard Cable Modem Router w/ Power Cable - Model SB6121 Tested

Motorola Arris Surfboard SB6121 Cable Modem. Power Cord Included

ARRIS SURFboard Cable Modem Router w/ Power Cable - Model SB6121 - Black

Arris Black Surfboard SBG10 DOCSIS 3.0 AC1600 Dual Band Gateway WiFi Modem