Table 6. External ports(continued)
Description Values
● One power-cable connector, only for computers shipped
with a High Performance processor
Security-cable slot
One security-cable slot (3 mm x 7 mm, T-Bar design)
Internal slots
The following table lists the internal slots of your OptiPlex All-in-One 7420.
Table 7. Internal slots
Description Values
M.2
For computers shipped with an Energy Efficient
processor:
● One M.2 2230 slot for WiFi and Bluetooth combo card
● One M.2 2230/2280 slot for solid-state drive
For computers shipped with a High Performance
processor:
● One M.2 2230 slot for WiFi and Bluetooth combo card
● Two M.2 2230/2280 slots for 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.
SATA
Not supported
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex All-in-One 7420.
Table 8. Ethernet specifications
Description Values
Model number
Intel i219-LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your OptiPlex All-in-One 7420.
Table 9. Wireless module specifications
Description Option one Option two Option three
Model number
AX201 Intel AX211 Realtek RTL8852BE
Transfer rate
Up to 2400 Mbps Up to 2400 Mbps Up to 1201 Mbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 GHz
Specifications of OptiPlex All-in-One 7420 19
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