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Table 9. External ports (continued)
Description
Audio port
Video port/ports
Media-card reader
Power-adapter port
Security-cable slot
Internal slots
The following table lists the internal slots of your Inspiron 15 3520.
Table 10. Internal slots
Description
M.2
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your Inspiron 15 3520.
Table 11. Wireless module specifications
Description
Model number
Transfer rate
Frequency bands supported
Wireless standards
Encryption
Bluetooth wireless card
16
Specifications of Inspiron 15 3520
Option one
Realtek RTL8821CE
Up to 433 Mbps
2.40 GHz/5.00 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth 5.0
NOTE:
The version of the Bluetooth wireless card may vary depending on the operating
system that is installed on your computer.
Values
One headset (headphone and microphone combo) port
● One HDMI 1.4 port
● One USB 3.2 Gen 1 Type-C port with DisplayPort 1.4 (on
systems configured with Type-C)
One SD-card slot
One 65 W AC adapter, 4.5 mm barrel
N/A
Values
● One M.2 2230 slot for Wi-Fi and Bluetooth card
● One M.2 slot for 2230/2280 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.
Option two
Intel 9462
Up to 433 Mbps
2.40 GHz/5.00 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth 5.1
Option three
Intel AX201 (optional)
Up to 2400 Mbps
2.4 GHz/5.00 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth 5.2
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