Chapter 3
Connecting computers and other devices
39
Setting a connected computer’s resolution and refresh rate
This table presents the recommend resolutions and refresh rates for the display’s inputs:
Input source
Resolution
Refresh rate
HDMI 1
3840 × 2160
60 Hz
HDMI 2
3840 × 2160
60 Hz
HDMI 3
3840 × 2160
60 Hz
VGA
1920 × 1080
60 Hz
USB Type-C
3840 × 2160
60 Hz
If possible, set connected computers to these resolutions and refresh rates. See the computers’ operating
system documentation for instructions.
Using recommended cables
SMART recommends the following varieties of cable:
Cable type
Maximum length
Recommendation
HDMI
23' (7 m)
1
Use only certified premium high-speed HDMI cables that
have been tested to support the performance standard
you require.
VGA
23' (7 m)
Use VGA cables with all pins in their connectors fully
populated and wired.
Stereo 3.5 mm
20' (6 m)
[N/A]
USB 2.0
16' (5 m)
Use a USB extender if the distance between the
computer and the display is greater than 16' (5 m). For
more information, see
USB 2.0 cables support Hi-Speed (480 Mbps), whether
connected to a USB 2.0 or USB 3.0 receptacle. For
SuperSpeed (5 Gbps), connect a USB 3.0 cable to a USB
3.0 receptacle.
1
The performance of cables longer than 23' (7 m) is highly dependent on the cable’s quality.
