Dell OptiPlex Tower 7020 - Internal Slots, Ethernet, and Wireless

Internal slots
The following table lists the internal slots of your OptiPlex Tower 7020.
Table 8. Internal slots
Description Values
M.2
● One M.2 2230/2280 slot 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
● Two SATA 3.0 slots for 3.5-inch hard-disk drive
● One SATA 2.0 slot for slim optical drive
Expansion
● Two full-height Gen3 PCIe x1 slots
● One full-height Gen3 PCIe x16 slot
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex Tower 7020.
Table 9.
Ethernet specifications
Description Values
Model number
Intel i219LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your OptiPlex Tower 7020.
Table 10.
Wireless module specifications
Description Option one Option two Option three
Model number
Intel AX211
NOTE: Computers
shipped with Intel Wi-Fi
6E AX211 wireless card
come with an external
puck antenna installed.
Realtek RTL8851BE Realtek RTL8852BE
Transfer rate
Up to 2400 Mbps Up to 600 Mbps Up to 1201 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 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)
● 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)
20 Specifications of OptiPlex Tower 7020