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Chapter 2: Connect Displays; Supported Display - Dell Precision 7770 Connection Manual

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Depending on the connectors available on your external display, you can connect the displays to the Thunderbolt 4 (USB
Type-C) ports, HDMI port, Mini DisplayPort on your computer using:
● Thunderbolt 4 cables, adapters or docking stations
● USB Type-C cables. adapters or docking stations
● HDMI cables or adapters
NOTE:
To experience the full resolution supported by your external displays, use appropriate cables. For examples, use
DisplayPort or HDMI cables for 4K and above resolution.

Supported Display

Table 5. Supported display via host display port under different modes
Graphics card mode
Connect to External Displays
One External Display Two External
UMA
● HDMI: 3840 x 2160
Hybrid mode
HDMI/Type-C: 7680 x
4320 @ 60 Hz
Hybrid mode with
HDMI/Type-C: 7680 x
Direct Output
4320 @ 60 Hz
Discrete Mode
HDMI/Type-C: 7680 x
4320 @ 60 Hz
Displays
● HDMI: 3840 x 2160
@ 60 Hz
@ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
Connect displays
Three External
Four External Displays
Displays
(Internal Display Off)
● HDMI: 3840 x 2160
● HDMI: 3840 x 2160 @ 60
@ 60 Hz
● Type-C: 7680 x
● Type-C: 7680 x 4320 @
4320 @ 60 Hz
● Type-C: 7680 x
● Type-C: 7680 x 4320 @
4320 @ 60 Hz
● Type-C: 7680 x 4320 @
● HDMI: 7680 x
● HDMI: 7680 x 4320 @ 60
4320 @ 60 Hz
● Type-C: 7680 x
● Type-C: 7680 x 4320 @
4320 @ 60 Hz
● Type-C: 7680 x
● Type-C: 7680 x 4320 @
4320 @ 60 Hz
● Type-C: 7680 x 4320 @
● HDMI: 7680 x
● HDMI: 3840 x 2160 @ 60
4320 @ 60 Hz
● Type-C: 3840 x
● Type-C: 3840 x 2160 @
2160 @ 60 Hz
● Type-C: 3840 x
● Type-C: 3840 x 2160 @
2160 @ 60 Hz
● Type-C: 3840 x 2160 @
Internal Display Off
● HDMI: 3840 x 2160 @ 60
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 3840 x 2160 @
● Type-C: 3840 x
2160 @ 60 Hz
● Type-C: 3840 x 2160 @
● Type-C: 3840 x
2160 @ 60 Hz
● Type-C: 3840 x 2160 @
Connect displays
2
Hz
60 Hz
60 Hz
60 Hz
Hz
60 Hz
60 Hz
60 Hz
Hz
60 Hz
60 Hz
60 Hz
Hz
60 Hz
60 Hz
60 Hz
7

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