If you have a notebook or desktop computer that has a USB 3.0 port, and you need something to fill that port and would like an extra display or two check out this new product from Targus. The device is called the Targus USB 3.0 Dual Video Card and it has both an HDMI output and a DVI output for connecting to more monitors with a single USB 3.0 port.
Inside the Targus gadget is the DisplayLink DL-3900 hardware that allows the device to work. The HDMI output supports video and six-channel surround sound. It also supports HDCP so you can use it for watching Blu-ray videos. This card is the first use the 3900 in a product that only supports displays.
The 3900 chip can support gigabit Ethernet as well so this product could have been more of a docking station than a USB 3.0 video card alone. The outputs support resolutions of up to 2048 x 1152 making 1080p HD resolution easy to achieve. The Targus device sells for $99.