The IOGEAR USB 3.0 to HDMI 4K External Video Card instantly enables you to connect a high resolution 4K display through your computer's USB 3.0 port. Although Ultra High Definition (UHD) 4K displays are rapidly growing in popularity, there are very few sources of 4K video content outside of the Internet. That makes the GUC34DP the perfect accessory for your new 4K TV or monitor, as it allows direct connection to Ultra HD content stored on your computer or found online. Enable multitasking with ease, IOGEAR's USB 3.0 to HDMI 4K External Video Card mirrors or extends your desktop across an additional 3840x2160 HDMI display. Extend your desktop to watch Ultra HD quality videos on your flat panel TV while multitasking, or mirror your display to a 4K monitor or projector while in a conference room, etc.