Dell W26C 설정 및 사양 - 페이지 25
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Table 7. External ports (continued)
Description
Video port
Media-card reader
Power-adapter port
Security-cable slot
Internal slots
The following table lists the internal slots of your OptiPlex 7490 All-in-One.
Table 8. Internal slots
Description
M.2
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex 7490 All-in-One.
Table 9. Ethernet specifications
Description
Model number
Transfer rate
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules supported on your OptiPlex 7490 All-in-One.
Table 10. Wireless module specifications
Description
Model number
Transfer rate
Frequency bands supported
Wireless standards
Values
● One DP++ 1.4a/HDCP 2.3 port (rear)
● One HDMI-IN—HDMI 1.4 port (rear)
● One HDMI-OUT—HDMI 2.0 port (rear)
One SD 4.0 card slot (side)
Not supported
One Kensington security-cable slot
Values
● One M.2 2230 slot for Wi-Fi and Bluetooth card
● Two M.2 2230/2280 slots for solid-state drive/Intel
Values
Intel i219LM
10/100/1000 Mbps
Option one
Intel Wi-Fi 6 AX201
Up to 2400 Mbps
2.4 GHz/5 GHz
● Wi-Fi 802.11 a/b/g
● Wi-Fi 4 (WiFi 802.11n)
Optane
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.
Option two
Qualcomm QCA61x4a
Up to 867 Mbps
2.4 GHz/5 GHz
● Wi-Fi 802.11 a/b/g
● Wi-Fi 4 (WiFi 802.11n)
Specifications of OptiPlex 7490 All-in-One
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