Dell Latitude 7390 Owner's Manual

Port and connector specifications

Feature

Specification

Audio

Microphone-in, stereo headphones, and headset combo connector
Realtek ALC3246 Controller
Stereo conversion: 24-bit (analog-to-digital and digital-to-analog)
Internal interface - high-definition audio codec
External interface - microphone-in and stereo headphones/speakers universal connector
Speakers: Power: 2X2 Wrms
Internal speaker amplifier: Two watts per channel
Internal microphone: Digital microphone (dual microphone with camera)
No volume control buttons
Support hot-key keyboard button

Video

HDMI 1.4

Network adapter

One RJ-45 connector

USB

Memory card reader

MicroSD 4.0 card reader and One 3042, One 2280 M.2 slot

Micro Subscriber Identity Module (uSIM) card

External tray tied to WWAN hinge up

Docking port

Express Card

None

AC adapter

E5 65 W
E5 65 W rug (Only for India)
E5 90 W
E4 65 W HF (BFR/PVC Free)
Power Companion 45 W (Dura Ace)
Power Companion 65 W (Tesla) (No express charge)
Hybrid Power Bank and adapter (45 W) (12 inches only, not 14/15) (No express charge)

Smart card reader

One (optional)