Table 7. External ports (continued)
Description Values
● One HDMI 2.0a port (UMA)
● One HDMI 2.1 port (DGPU)
Media-card reader
One SD-card slot
Power-adapter port
● 180 W AC adapter, 7.40 mm barrel
● 240 W AC adapter, 7.40 mm barrel
Security-cable slot
One wedge-shaped security slot
Internal slots
The following table lists the internal slots of your Precision 7780.
Table 8. Internal slots
Description Values
M.2
● One WWAN
● One WLAN
● Four M.2 solid state drive
NOTE: To learn more about the features of different
types of M.2 cards, search in the Knowledge Base
Resource at www.dell.com/support.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Precision 7780.
Table 9. Ethernet specifications
Description Values
Model number
Intel i219LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module supported on your Precision 7780.
Table 10. Wireless module specifications
Description Values
Model number
Intel AX211
Transfer rate
Up to 2400 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz
NOTE: The 6 GHz frequency is supported on computers
that are installed with Windows 11 operating system only.
16 Specifications of Precision 7780
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