Setup Guide

Table 6. Ports and connectors
Description Values
PCIe expansion card slots
● One PCIe x16
● One PCIe x1
● One PCIe x4
mSATA
Not supported
SATA
● Two SATA slots for 2.5-inch hard drive
● One SATA slot for a 3.5-inch hard drive
M.2
● One M.2 2230 slot for WiFi and Bluetooth combo card
● One M.2 2230/2280 slot for solid-state drive/Intel Optane
memory
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article
SLN301626.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your XPS 8940.
Table 7. Ethernet specifications
Description Values
Model number
Rivet Networks E2600 PCIe Gigabit Ethernet controller
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules supported on your XPS 8940.
Table 8. Wireless module specifications
Description Option one Option two
Model number
Qualcomm QCA9377 (DW1810) Killer AX1650i
Transfer rate
Up to 433 Mbps Up to 2400 Mbps
Frequency bands supported
2.40 GHz/5 GHz 2.40 GHz/5 GHz
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● 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
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.0 Bluetooth 5.1
Specifications of XPS 8940 17