Dell Inspiron 7420 Manuel de configuration et de spécifications - Page 18

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Dell Inspiron 7420 Manuel de configuration et de spécifications

Audio

The following table lists the audio specifications of your Latitude 7420.
Table 10. Audio specifications
Description
Audio controller
Stereo conversion
Internal audio interface
External audio interface
Number of speakers
Internal-speaker amplifier
External volume controls
Speaker output:
Average speaker output
Peak speaker output
Subwoofer output
Microphone

Storage

Your computer supports the following configuration: The primary drive of your computer varies with the storage configuration.
● M.2 2230, PCIe x4 NVMe, Class 35 Solid-State Drive
● M.2 2280, PCIe x4 NVMe, Class 40 Solid-State Drive
● M.2 2280, PCIe x4 NVMe, Class 40 Solid-State Drive, Self Encrypting Drive
Table 11. Storage specifications
Form factor
M.2 2230, Class 35 Solid-State Drive
M.2 2280, Class 40 Solid-State Drive
M.2 2280, Class 40 Solid-State Drive, Self Encrypting
Drive

Media-card reader

Table 12. Media-card reader specifications
Description
Type
18
Specifications of Latitude 7420
Values
Realtek ALC3281-CG, High Definition Audio
Supported
High definition audio
Universal audio jack
Two
Supported (audio codec integrated)
Keyboard shortcut controls
2 W
2.5 W
Not supported
Dual-array microphones
Interface type
Gen 3 PCIe x4 NVMe
Gen 3 PCIe x4 NVMe
Gen 3 PCIe x4 NVMe
Values
micro-SD 4.0 card slot
Capacity
Up to 512 GB
Up to 1 TB
Up to 512 GB