The JTECH-18GSP18M Splitter is an MRO (Multi-Resolution Output) splitter and can support various resolutions to the outputs. With 3 different EDID settings, you have the option of copying the EDID settings from your display for compatibility , mixing the output resolutions allowing for the combination of 4K and standard definition displays, and a fixed setting to distribute a 4K video signal to 8 displays. This MRO splitter is perfect for users that are gradually upgrading their entertainment centers and need a device that supports 4K and 1080p allowing for the integration of brand new displays while still making use of older and outdated ones.