Internal Slots; Ethernet; Wireless Module - Dell Precision 3581 Technical Manualbook

Table 6. External ports (continued)
Description
Audio port
Video port
Media-card reader
Power-adapter port
Security-cable slot

Internal slots

The following table lists the internal slots of your Precision 3581.
Table 7. Internal slots
Description
M.2

Ethernet

The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Precision 3581.
Table 8. Ethernet specifications
Description
Model number
Transfer rate

Wireless module

The following table lists the Wireless Local Area Network (WLAN) modules supported on your Precision 3581.
Table 9. Wireless module specifications
Description
Model number
Transfer rate
Frequency bands supported
14 Specifications of Precision 3581
Values
● One USB 3.2 Gen 1 port with PowerShare
● One USB 3.2 Gen 1 port
One Universal audio jack
One HDMI 2.0 port
One smart card reader slot (optional)
Type-C adapter
One security-cable slot (wedge-shaped)
Values
● One M.2 2230 slot for WiFi and Bluetooth combo card
● Two M.2 2230/2280 slot for solid-state drive
● One M.2 3042/3052 slot for WWAN (optional)
Values
Intel I219-LM
10/100/1000 Mbps
Option one
Realtek RTL8852BE
Up to 1201 Mbps
2.4 GHz/5 GHz
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 AX211
Up to 2400 Mbps
2.4 GHz/5 GHz/6 GHz