Netgear C7800


 * • 2166 Mbps - 4-stream 802.11ac device (1024QAM),
 * • 1000 Mbps - max. PHY rate for 2.4GHz 802.11n (1024QAM) = 3200 Mbps class



Only compatible with Xfinity from
 * 32x8 channel bonding - enables extreme cable Internet speeds
 * OFDM 2x2 - enables Gigabit Internet speeds

Reviews

 * Netgear Launches Nighthawk X4S AC3200 DOCSIS 3.1 Cable Modem Router on AnandTech