Dell DA20 USB-C Mobile Adapter - HDMI, VGA, Gigabit Ethernet, USB 3.0, Black V1J4H

Modern ultrabooks often sacrifice ports for slimness, leaving you stranded when you need to connect to a projector, wired network, or legacy USB device. The Dell DA20 USB-C Mobile Adapter solves this by expanding a single USB-C port into HDMI, VGA, Gigabit Ethernet, and USB 3.0—all in a compact, bus-powered dongle.

Who is it for

Professionals who travel with lightweight laptops and need reliable connectivity in offices, conference rooms, or home setups. It’s ideal for presentations, desk docking, and transferring data between USB-C devices and traditional peripherals.

Main features

• USB-C male host connector with integrated 12 cm cable
• HDMI output up to 4K @ 30 Hz for crisp external displays
• VGA output up to 1080p @ 60 Hz for legacy projectors
• Gigabit Ethernet port for stable wired network access
• One USB 3.0 Type-A port for peripherals or storage
• Plug-and-play with no drivers required on most systems
• Bus-powered—no external power adapter needed

Specifications

• Host interface: USB-C male
• Video outputs: 1x HDMI, 1x VGA
• Data ports: 1x USB 3.0 Type-A female, 1x RJ-45 Gigabit Ethernet
• Maximum resolution (HDMI): 3840 x 2160 @ 30 Hz
• Maximum resolution (VGA): 1920 x 1080 @ 60 Hz
• Ethernet speed: 10/100/1000 Mbps
• USB data rate: 5 Gbps
• Colour: Black
• Compatibility: Windows, macOS, Chrome OS, Android (with DisplayPort Alt Mode)
• Power source: USB bus-powered
• Integrated cable length: approx. 12 cm

Tips

For 4K output, ensure your USB-C port supports DisplayPort Alt Mode. The VGA and HDMI ports cannot be used simultaneously—connect one display at a time. Use the Ethernet port for faster, more stable connections in hotels or offices with weak Wi-Fi.