Table 10. Wireless module specifications (continued)
Description
Values
Frequency bands supported
2.4 GHz/5 GHz /6 GHz
NOTE:
The 6 GHz frequency is supported on computers
installed with Windows 11 operating system only.
Wireless standards
●
WiFi 802.11a/b/g
●
Wi-Fi 4 (WiFi 802.11n)
●
Wi-Fi 5 (WiFi 802.11ac)
●
Wi-Fi 6E (WiFi 802.11ax)
Encryption
●
64-bit and 128-bit WEP
●
AES-CCMP
●
TKIP
Bluetooth
5.3
Audio
The following table lists the audio specifications of your Precision 7865 Tower.
Table 11. Audio specifications
Description
Values
Audio controller
Realtek Audio Controller ALC4050-CG
Stereo conversion
24-bit DAC (Digital-to-Analog) and ADC (Analog-to-Digital)
Internal audio interface
USB
External audio interface
●
One Universal audio port (front)
●
One line-out audio port (rear)
Number of speakers
One (internal)
Internal-speaker amplifier
Not supported
External volume controls
Not supported
Speaker output:
Average speaker output
2 W
Peak speaker output
2.5 W
Subwoofer output
Not supported
Microphone
Via Universal audio port
Storage
This section lists the storage options on your Precision 7865 Tower.
Your system supports one or more of the following storage drives:
●
Two 2.5-inch hard drives (internal)
●
Two 2.5-inch hard drive (via externally facing storage flexbays)
16
Specifications of Precision 7865 Tower
