SB6190 SURFboard® Cable Modem - Black $109.00 The heart of your home network. Power yours with the SB6190. The SB6190 is best for internet speed plans up to 400 Mbps. The ARRIS SURFboard SB6190 is a DOCSIS 3.0 cable modem with 32 downstream x 8 upstream bonded channels, making it a... Out of stock