Dell Latitude 7290 7390 7490 Technical Guidebook

Ports and Connectors

Table 1. Ports and ConnectorsThe following table lists the ports and connectors:
Feature	Specifications
USB	Latitude 7290 and 7390 Type-C USB 3.1 Gen 1 Display port (optional Thunderbolt) Two USB 3.1 Gen1 ports—one PowerShare capable Latitude 7490 Type-C USB 3.1 Gen 1 Display port (optional Thunderbolt) Three USB 3.1 Gen1 ports—one PowerShare capable
Video	HDMI 1.4
Network adapter	RJ-45 network adapter
Modem	N/A
Expansion ports	uSD 4.0 Memory card reader 1 3042, 1 3030, 1 2280 M.2 slots
Smartcard	Optional
Docking	Security cable slot
uSIM	External tray tied to WWAN hinge up

Table 2. Ports and connectors - AudioThe following table lists the ports and connectors for audio:
Feature	Specifications
Audio	Four-channel high definition audio 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: 2 watt per channel Internal microphone: digital microphone (dual microphone with camera) No volume control buttons, only support hot-key keyboard button