Linksys X6200


 * • 433Mbps - 1SS 5GHz 802.11ac (80MHz chan.),
 * • 300Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AC750 class

Overview
Despite being advertised as only supporting 433Mbps 802.11ac (1x stream), the hardware appears to be capable of 867Mbps (2x stream).

Links of Interest

 * Four New Linksys Cable Modems (CES) on TomsHardware