6,000 Mbps Maximum Cable Modem Speed. The item "Motorola MB8600 DOCSIS 3.1 Cable Modem (Factory Sealed)" is in sale since Friday, March 19, 2021. This item is in the category "Computers/Tablets & Networking\Home Networking & Connectivity\Modems". The seller is "blakgordo8" and is located in Greensburg, Kentucky. This item can be shipped to United States.