Dell OptiPlex Tower Plus 7020 - Internal slots; Ethernet; Wireless module

Internal slots
The following table lists the internal slots of your OptiPlex Tower Plus 7020.
Table 8. Internal slots
Description Values
M.2
● Three M.2 2230/2280 slots for solid-state drive
● One M.2 2230 slot for WiFi and Bluetooth combo card
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.
SATA
● Three SATA 3.0 slots for 3.5-inch hard-disk drive
● One SATA 2.0 slot for slim optical drive
Expansion
● One full-height Gen4 PCIe x16 slot
● One full-height Gen3 PCIe x4 open-end slot
● One full-height Gen3 PCIe x1 slot
● One full-height PCI slot
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex Tower Plus 7020.
Table 9.
Ethernet specifications
Description Values
Model number
Intel WGi219LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your OptiPlex Tower Plus
7020.
Table 10.
Wireless module specifications
Description Option one Option two
Model number
Intel AX211
NOTE: Computers shipped with
Intel Wi-Fi 6E AX211 wireless card
come with an external puck antenna
installed.
Realtek RTL8852BE
Transfer rate
Up to 2400 Mbps Up to 1201 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 GHz
Wireless standards
● Wi-Fi 802.11 a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
● Wi-Fi 802.11 a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
Specifications of OptiPlex Tower Plus 7020 21