OWC's new Quad HDMI adapter makes running multiple 4K external displays a breeze. Two new HDMI adapters from Other World Computing (OWC) solve the external display limitations that have frustrated ...

HDMI is a popular way to stream video and audio via cable, but it's not universal. That's when these adapters come useful.

Apple's 140W adapter charges one device for $79. This Anker charges four simultaneously with a color display showing real-time status on every port, at the same price for Prime members.

HDMI splitter for multiple displaysAn HDMI splitter allows one HDMI source to display the same content across several screens simultaneously. This device is commonly used in restaurants, electronic ...