Dell OptiPlex 7490 All-In-One - Installing the hard drive

Table 10. Wireless module specifications (continued)
Description Option one Option two
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● Wi-Fi 5 (WiFi 802.11ac)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.1 Bluetooth 5.0
Audio
The following table lists the audio specifications of your OptiPlex 7490 All-in-One.
Table 11. Audio specifications
Description Values
Audio controller
Realtek Codec ALC3289
Stereo conversion
Supported
Internal audio interface
High definition audio interface
External audio interface
Universal audio jack
Number of speakers
2
Internal-speaker amplifier
Realtek Amplifier ALC1302
External volume controls
Not supported
Speaker output:
Average speaker output
5 W
Peak speaker output
6 W
Subwoofer output
Not supported
Microphone
2
Storage
This section lists the storage options on your OptiPlex 7490 All-in-One.
Your computer supports one of the following configurations:
Table 12. Storage matrix
Storage type 2.5-inch hard drive 1
st
M.2 socket 2
nd
M.2 socket
One 2.5-inch hard drive Yes No No
One M.2 2230/2280 solid-
state drive
No Yes No
26 Specifications of OptiPlex 7490 All-in-One