SMART Technologies RX286-5A, 86", 490 cd/m², 3840 x 2160 pixels, 4K Ultra HD, 16:9, 8 ms SMART Technologies RX286-5A. Display diagonal: 86", Display brightness: 490 cd/m², Display resolution: 3840 x 2160 pixels. Operating system installed: Android, User memory: 64 GB, RAM capacity: 8 GB. Speaker power: 40 W, Subwoofer RMS power: 15 W. Top Wi-Fi standard: Wi-Fi 6E (802.11ax), Ethernet LAN data rates: 10,100,1000 Mbit/s. USB connector type: USB Type-A, USB Type-B, USB Type-C, USB Power Delivery up to: 65 W, Headphone connectivity: 3.5 mm