Similar to other AX6600-class Wi-Fi 6 mesh designs, the SURFboard mAX also comes with a tri-band configuration (2x2 2.4 GHz for 600 Mbps, 2x2 5 GHz for 1200 Mbps, and a 4x4 160 MHz-wide 5 GHz radio for 4800 Mbps). The 4x4 is used as a dedicated backhaul in the mesh kit. ARRIS claims that a kit of two can blanket a 5500 sq. ft. area.
In terms of the internal components, the unit seems similar to the Asus ZenWiFi AX (XT8), but the industrial design and antennae placement (which affects performance) are different. Additionally, the SURFboard mAX AX6600 comes with only two gigabit Ethernet ports per unit (unlike the Asus ZenWiFi which comes with a 2.5 Gbps port). ARRIS also indicated Alexa compatibility for the unit.
AX6600
SURFboard mAX® Mesh Wi-Fi® 6 System
802.11ax Wi-Fi (Wi-Fi 6) speeds up to 6.6 Gbps
Up to 400% more speed and range than 802.11ac Wi-Fi
2-unit system provides up to 5,500 square feet of coverage
Dedicated 3rd-gigabit band for backhaul between mAX routers
Perfectfor gigabit-speed internet plans
for gigabit-speed internet plans
Setup, customize and manage your home network with the SURFboard Central app. Designed to be a dashboard for your home network, SURFboard Central allows you to monitor the devices on your network, enable custom parental control settings, optimize your Wi-Fi and so much more!