Dell NOT21870 - Internal Slots; Wireless Module

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