R7800 comptiabke with the NETGEAR Nighthawk Mesh X6S Tri-Band WiFi Mesh Extender, Seamless Roaming,

I have a R7800 — Nighthawk X4S AC2600 Smart WiFi Router and would like to purchase the NETGEAR Nighthawk Mesh X6S Tri-Band WiFi Mesh Extender, Seamless Roaming, One WiFi Name, Access Point Mode, Works with any WiFi Router (EX8000). I don't see any information if this extender is compatiable with my router. Need some info/advice before I push the GO button.