About this item PERFORMANCE: USB 3.0 to Dual HDMI adapter lets you extend your desktop by adding up to two HDMI monitors to your laptop or desktop computer using a single USB Type-A port | 1x output for up to 4K 30Hz (UHD) & 1x 1080p | 2ch audio (through HDMI) | HDCP 1.4.Compatibility Options: … Continue reading StarTech.com Review: USB 3.0 to Dual HDMI Adapter – 1x 4K 30Hz & 1x 1080p – External Video & Graphics Card – USB Type-A to HDMI Dual Monitor Display Adapter