Official list of cable modems that are compatible with Time Warner Cable system
For Turbo, Extreme, Ultimate Service Plans
Motorola SURFboard Gateway SBG6580 DOCSIS 3.0 Wireless Cable Modem
Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem
For Standard, Basic, or Lite Service Plans
Motorola SURFboard SB5101 Cable Modem
Motorola SURFboard SB5101U DOCSIS 2.0 Cable Modem
Motorola SURFboard Gateway SBG901 DOCSIS 2.0 Wireless Cable Modem