Table 8. Internal slots
Description Values
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 3680 Tower.
Table 9. 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) modules that are supported on your Precision 3680 Tower.
Table 10.
Wireless module specifications
Description Option one Option two
Model number
Intel AX211 Qualcomm WCN6856-DBS
Transfer rate
2400 Mbps Up to 3571 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz
NOTE: The 6 GHz frequency
is supported on computers that
are installed with the Windows 11
operating system only.
2.4 GHz/5 GHz/6 GHz
NOTE: The 6 GHz frequency
is supported on computers that
are installed with the Windows 11
operating system only.
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit and 128-bit WEP
● AES-CCMP
● TKIP
Bluetooth wireless card
5.3 5.3
NOTE: The version of the Bluetooth wireless card may vary depending on the
operating system that is installed on your computer.
Specifications of Precision 3680 Tower 19
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