Connect multiple monitors with resolutions as high as 2560x1440 to Windows-based laptops or desktops (one adapter required per monitor). Highest performance USB graphics solution available. Combines both video and audio over a single USB cable and HDMI cable Supports HDMI displays up to 2560x1440@50Hz and [email protected] and lower modes will refresh at 60Hz. Connects to Windows PCs via USB 3.0. USB bus powered (no additional power adapter required). Adapter is backwards compatible with USB 2.0, however performance may be sub-optimal