Internal slots
The following table lists the internal slots of your Latitude 5421.
Table 8. Internal slots
Description Values
M.2
● One M.2 2230 slot for WiFi and Bluetooth combo card
● One M.2 2230/2280 slot for solid-state drive
● One M.2 3042 slot for upsell WWAN card
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article
000144170 at www.dell.com/support.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Latitude 5421.
Table 9. Ethernet specifications
Description Values
Model number
Gigabit RJ-45
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your Latitude 5421.
Table 10. Wireless module specifications
Description Option one Option two Option three
Model number
Qualcomm QCA61x4A Intel AX201 Intel AX210
Transfer rate
Up to 867 Mbps Up to 2.40 Gbps Up to 2.40 Gbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz 2.4 GHz/5 GHz/6 GHz
Wireless standards
● Wi-Fi 802.11a/b/g
● WiFi 802.11n
● WiFi 802.11ac
● Wi-Fi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● Wi-Fi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
Encryption
● 64-bit and 128-bit WEP
● 128-bit AES-CCMP
● TKIP
● 64-bit and 128-bit WEP
● 128-bit AES-CCMP
● TKIP
● 64-bit and 128-bit WEP
● 128-bit AES-CCMP
● TKIP
Bluetooth
5.0 5.2 5.2
Specifications of Latitude 5421 15