Table 7. External ports(continued)
Description Values
Media-card reader
One smart-card reader slot (optional)
Power-adapter port
USB Type-C power input
Security-cable slot
Security-cable slot (wedge-shaped)
SIM-card slot
nano-SIM card slot (optional)
Internal slots
The following table lists the internal slots of your Precision 3490.
Table 8. Internal slots
Description Values
M.2
● One M.2 2230 slot for WiFi and Bluetooth combo card
● One M.2 2230 slot for solid state drive
● One M.2 3042 slot for WWAN card (optional)
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 3490.
Table 9. Ethernet specifications
Description Values
Model number
● Intel Jacksonville I219-LM 10/100/Gb (1000BASE-T) for
v
PRO configurations
● Intel Jacksonville I219-V 10/100/Gb (1000BASE-T) for
n
on-vPRO configurations
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Precision 3490.
Table 10. Wireless module specifications
Description Option one Option two
Model number
Realtek RTL8852BE Intel AX211
Transfer rate
Up to 1201 Mbps Up to 2400 Mbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz/6 GHz
Wireless standards
● WiFi 802.11a/b/g ● WiFi 802.11a/b/g
Specifications of Precision 3490 15
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