The Sonnet Thunderbolt Dual 4K HDMI 2.1 adapter connects two displays to a single Thunderbolt port and transmits video and audio via HDMI. It supports resolutions up to 8K at 60 Hz, two 4K displays at 120 Hz on Windows computers, and 4K at 60 Hz on Mac. It is powered directly by the Thunderbolt port, with no additional power supply required.

• Protocol: Thunderbolt 3 (40 GBit/s)
• Input connection: Thunderbolt, male
• Output connections: 2 × HDMI, female
• Resolution: Up to 8K at 60 Hz, 4K at 60 Hz on Mac, 4K at 120 Hz on Windows computers, and 1080p or lower at 60 Hz
• Audio transmission: Via HDMI
• HDMI standard: Ultra High Speed
• Compatibility: Macs with M Series and Intel processors, Windows computers
• Colour: Grey/black