The Belkin INC020 features a USB-C® DisplayPort™ (Alt Mode) connector that provides up to 8K at 30 Hz / 4K at 120 Hz resolutions. The HDMI® ports support up to 4K at 60 Hz resolutions.
The actual output varies depending on the host device's specifications. Windows® and Chrome™ both support Multi-Stream Transport (MST), which allows for extended displays. Chrome supports up to two displays (depending on the laptop's specifications); while macOS® uses Single Stream Transport (SST) to provide extended mirror displays alone.
Windows (MST mode)
 
macOS (SST Mode)
 
A DisplayPort 1.4 signal source is required for maximum resolution support.
| 
 USB-C DP Alt Mode Port 1  | 
 Windows  | 
 macOS  | 
 Chrome  | 
| 
 Single Monitor  | 
 8K at 30 Hz / 4K at 120 Hz  | 
 4K at 120 Hz  | 
 4K at 60 Hz  | 
| 
 Dual Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz (mirrored)  | 
 4K at 60 Hz  | 
| 
 Triple Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz (mirrored)  | 
 Not applicable  | 
| 
 4K at 30 Hz  | |||
| 
 4K at 30 Hz  | 
| 
 HDMI 2  | 
 Windows  | 
 macOS  | 
 Chrome  | 
| 
 Single Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz  | 
 4K at 60 Hz  | 
| 
 Dual Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz (mirrored)  | 
 4K at 60 Hz  | 
| 
 Triple Monitor  | 
 4K at 30 Hz  | 
 4K at 60 Hz (mirrored)  | 
 Not applicable  | 
| 
 4K at 60 Hz  | |||
| 
 4K at 30 Hz  | 
| 
 HDMI 3  | 
 Windows  | 
 macOS  | 
 Chrome  | 
| 
 Single Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz  | 
 4K at 60 Hz  | 
| 
 Dual Monitor  | 
 4K at 60 Hz  | 
 4K at 60 Hz (mirrored)  | 
 4K at 60 Hz  | 
| 
 Triple Monitor  | 
 4K at 30 Hz  | 
 4K at 60 Hz (mirrored)  | 
 Not applicable  | 
| 
 4K at 30 Hz  | |||
| 
 4K at 60 Hz  |