Detail 1.VGA and DVI version support up to 1920 * 1080 @ 60Hz. 2.HDMI-Compatible version supports up to 4K (3840 * 2160) @ 60Hz, 1080P @ 120Hz. Need HDMI-Compatible2.0 support. Special resolution, please contact the owner. 3.HDMI-Compatible lock plate treasure (Gong mother) at 4K @ 30Hz, 2K @ 60Hz stable use. VGA and HDMI-Compatible display virtual machine, dummy load. Specifically that the role is: to simulate a display, the main use are: 1. Remote control of the computer screen resolution can be set very high, not the lowest resolution black screen state. 2. Scientific calculation of the graphics card to work properly, heat normal. 3. To solve the mining without reason to stop, the graphics do not work the problem. HDMI-Compatibledisplay the main advantages of the virtual machine: 1. Up to 4K resolution can be simulated, ie 3840 * 2160 resolution. 2. Small size, the latest chip, low power, no heat. 3. Support plug and play, hot plug. package 1*virtual display