Table 9. Wireless module specifications (continued)
Description Values
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth wireless card
Audio
The following table lists the audio specifications of your Latitude 7440.
Table 10. Audio specifications
Description Values
Audio controller
Realtek ALC3281
Stereo conversion
Supported
Internal audio interface
High definition audio interface
External audio interface
Universal Audio Jack
Number of speakers
Four
Internal-speaker amplifier
Supported
External volume controls
Supported
Speaker output:
Average speaker output
2 W
Peak speaker output
2.5 W
Subwoofer output
Not supported
Microphone
Dual-array
Storage
This section lists the storage options on your Latitude 7440.
Your computer supports the following storage configurations:
● One M.2 2230 solid-state drive
The M.2 2230 solid-state drive is the primary drive of your computer.
Table 11. Storage specifications
Storage type Interface type Capacity
M.2 2230 solid-state drive PCIe NVMe Gen4 x4 256 GB/512 GB/1 TB/2 TB
18 Specifications of Latitude 7440
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