Dell Precision 7770 - Power Adapter Specifications; Input Voltage and Frequency; Output Current and Voltage; Maximum Operating Temperature

Connect displays
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
Displays
Three External
Displays
Four External Displays
(Internal Display Off)
UMA
● HDMI: 3840 x 2160
@ 60 Hz
● HDMI: 3840 x 2160
@ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 3840 x 2160
@ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 3840 x 2160 @ 60
Hz
● Type-C: 7680 x 4320 @
60 Hz
● Type-C: 7680 x 4320 @
60 Hz
● Type-C: 7680 x 4320 @
60 Hz
Hybrid mode HDMI/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
● Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 7680 x 4320 @ 60
Hz
● Type-C: 7680 x 4320 @
60 Hz
● Type-C: 7680 x 4320 @
60 Hz
● Type-C: 7680 x 4320 @
60 Hz
Hybrid mode with
Direct Output
HDMI/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: 3840 x
2160 @ 60 Hz
● Type-C: 3840 x
2160 @ 60 Hz
● HDMI: 3840 x 2160 @ 60
Hz
● Type-C: 3840 x 2160 @
60 Hz
● Type-C: 3840 x 2160 @
60 Hz
● Type-C: 3840 x 2160 @
60 Hz
Discrete Mode HDMI/Type-C: 7680 x
4320 @ 60 Hz
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 7680 x
4320 @ 60 Hz
Internal Display Off
● HDMI: 7680 x
4320 @ 60 Hz
● Type-C: 3840 x
2160 @ 60 Hz
● Type-C: 3840 x
2160 @ 60 Hz
● HDMI: 3840 x 2160 @ 60
Hz
● Type-C: 3840 x 2160 @
60 Hz
● Type-C: 3840 x 2160 @
60 Hz
● Type-C: 3840 x 2160 @
60 Hz
2
Connect displays 7