User Manual

Internal slots
The following table lists the internal slots of your OptiPlex 3090 Micro .
Table 7. Internal slots
Description Values
SATA
One SATA slots for 2.5-inch Hard disk-drive and Optical disk-
drive
M.2
● One M.2 2230 slot for WiFi and Bluetooth card
● One M.2 2230/2280 slot for SSD
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 OptiPlex 3090 Micro .
Table 8. Ethernet specifications
Description Values
Model number
● Intel Ethernet Connection I219-LM
● Realtek RTL8111KD
NOTE: Your system is configured with one of two
ethernet models. For more information see Ethernet
drivers on corporate OS image
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your OptiPlex 3090 Micro .
Table 9. Wireless module specifications
Description Option one Option two Option three
Model number
Qualcomm QCA61x4A
(DW1820)
Intel AX201 Intel 9462
Transfer rate
867 Mbps 2400 Mbps 433 Mbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz 2.4 GHz/5 GHz
Wireless standards
● Wi-Fi 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)
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
16 Specifications of OptiPlex 3090 Micro