Targus operates two monitors via USB 3.0

The Targus USB 3.0 Superspeed Dual Video Adapter is a small device primarily intended for laptops that assist with more video outputs via USB 3.0. It allows you to expand the desktop space, mirror the image or switch between multiple screens.

USB 3.0 connectivity lets you quickly and easily add one or two monitors to your laptop for additional viewing real-estate. Triple screen set up options include extending your desktop onto the additional monitors, mirroring your laptop screen or switching off the laptop screen to focus on your larger views.

The device has outputs for DVI-I and HDMI with support for up to 2,048 x 1,152 pixels. Targus also ships with adapters for DVI-I to VGA and HDMI to DVI-D. Some price information is not yet known.