Table 5. External ports(continued)
Description Values
Power-adapter port
One DC-in port (4.5 mm standard plug/USB-C port)
Security-cable slot
One wedge-shaped lock slot
Internal slots
The following table lists the internal slots of your Latitude 3550.
Table 6. Internal slots
Description Values
M.2
● One M.2 2230 for solid-state drive
● One M.2 2230 slot for WLAN card, Wi-Fi/Bluetooth
● One M.2 3042 slot for WWAN card, Wi-Fi/Bluetooth
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 Latitude 3550.
Table 7.
Ethernet specifications
Description Values
Model number
RTL8111H-CG
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Latitude 3550.
Table 8.
Wireless module specifications
Description Option one Option two
Model number
Intel AX211 Realtek RTL8852BE
Transfer rate
Up to 2400 Mbps Up to 1200 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 GHz
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)
● Wi-Fi 6 (WiFi 802.11ax)
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
Encryption
● 64-bit/128-bit WEP ● 64-bit/128-bit WEP
12 Specifications of Latitude 3550
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