Connect a VGA & a DVI-I display simultaneously using this dual monitor USB (Universal Serial Bus) display adapter. The USB2VGADVI USB (Universal Serial Bus) to VGA/DVI-I adapter turns a USB (Universal Serial Bus) 2.0 port into both a DVI-I & VGA video output port. Similar to Star Tech.com's existing USB (Universal Serial Bus) video adapters, the USB2VGADVI offers a convenient & cost-effective solution for adding multiple monitors to your computer without having to open the computer case for typical video card installation.