Dell Vostro 5391 - System Board Connectors; Media Card-Reader; Audio

Table 7. Storage specifications (continued)
Type Form factor Interface Capacity
Intel Optane memory
M.2 2230/2280 SSD PCIe 3x2 NVMe 1.1 Upto 16 GB
System board connectors
Table 8. System board connectors
Feature Specifications
M.2 Connectors ● One M.2 2230 hybrid Key-E connector
● One M.2 2280 Key-M connector
● One M.2 3042 Key-B connector
● One M.2 2230 Key-E connector
● One M.2 2280 Key-E connector
● One M.2 3042 Key-B connector
Media card-reader
Table 9. Media-card reader specifications
Feature Specifications
Type Micro SD Card Reader Slot
Micro SD Card
Audio
Table 10. Audio specifications
Feature Specifications
Controller Realtek ALC3204 with Waves MaxxAudio Pro
Stereo conversion 24-bit DAC (Digital-to-Analog) and ADC (Analog-to-Digital)
Type HD Audio
Speakers Two
Interface Internal:
● Intel HDA (high-definition audio)
External:
● 7.1 channel output via HDMI
● Digital microphone input on camera module
● Headset combo jack (stereo headphones/microphone-in)
Internal speaker amplifier Integrated in ALC3204 (Class-D 2 W)
External volume controls Media-control shortcut keys
Speaker output: Average: 2 W
Peak: 2.5 W
System information 13