Dell OptiPlex 7400 All-in-One - Network Connectivity Specs; Audio Hardware Specifications

Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex 7400 All-in-One.
Table 9. Ethernet specifications
Description Values
Model number
Intel i219-LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your OptiPlex 7400 All-in-One.
Table 10. Wireless module specifications
Description Option one Option two Option three
Model number
Intel AX201 Intel AX211 Realtek RTL8822CE
Transfer rate
Up to 2400 Mbps Up to 2400 Mbps Up to 867 Mbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 GHz
Wireless standards
● 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)
● Wi-Fi 6E (WiFi 802.11ax)
● Wi-Fi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit and 128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.2 Bluetooth 5.2 Bluetooth 5.0
Audio
The following table lists the audio specifications of your OptiPlex 7400 All-in-One.
Table 11. Audio specifications
Description Values
Audio controller
Realtek Codec ALC3289
Stereo conversion
Realtek Codec ALC3289 capability supporting 44.1 k/48 k/96
k/192 kHz sample rate DAC conversion
Internal audio interface
High definition audio interface
External audio interface
Universal audio jack
Number of speakers
Two (Stereo speakers with Waves MaxxAudio
®
Pro, 5W x 2 =
10 W total)
Internal-speaker amplifier
Realtek Amplifier ALC1302
24 Specifications of OptiPlex 7400 All-in-One