Table 5. External ports
Description Values
USB ports
● Two USB 3.1 Gen 1 ports
● One USB 3.1 Gen1 port with PowerShare
● One Thunderbolt 3 (USB 3.1 Gen 2) port
Audio port
One headset (headphone and microphone combo) port
Video port
● One HDMI 2.1 port
● One Mini DisplayPort 1.4
● One Thunderbolt 3 (USB 3.1 Gen 2 Port)
Media-card reader
One microSD card slot
Power-adapter port
One 7.4 mm x 5.1 mm E4 DC-in
Security-cable slot
One wedge-shaped slot
Internal slots
The following table lists the internal slots of your Alienware m15 R4.
Table 6. Internal slots
Description Values
M.2
● Two M.2 2230/2280 slots for solid-state drives
● One M.2 2230 slot for a solid-state drive
NOTE: To learn more about the features of different types
of M.2 cards, see the knowledge base article SLN301626 at
www.dell.com/support.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Alienware m15 R4.
Table 7. Ethernet specifications
Description Values
Model number
Killer E3100X PCI-e Gigabit ethernet controller
Transfer rate
10/100/1000/2500 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module supported on your Alienware m15 R4.
Table 8. Wireless module specifications
Description Values
Model number
Killer Wi-Fi 6 AX1650
Transfer rate
Up to 2400 Mbps
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