Table 7. External ports (continued)
Description Values
Audio port
One headset (headphone and microphone combo) port
Video port/ports
Not supported
Media-card reader
One micro-SD card slot
Power-adapter port
One USB 3.2 Gen 2 Type-C port with Power Delivery
Security-cable slot
Not supported
Internal slots
The following table lists the internal slots of your Inspiron 14 3420.
Table 8. Internal slots
Description Values
M.2
One M.2 2230/2280 slot 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.
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module supported on your Inspiron 14 3420.
Table 9. Wireless module specifications
Description Values
Model number
Qualcomm QCA6390
Transfer rate
Up to 1200 Mbps
Frequency bands supported
2.4 GHz/5 GHz
Wireless standards
● Wi-Fi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
● Wi-Fi 6 (Wi-Fi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.2
Specifications of Inspiron 14 3420 13
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