Supports 4K@60HZ Ultra HD Display, More Vivid Picture Quality Experience Single hdmi port: resolution up to 4K(3840X2160P@60Hz)Dual hdmi port used Simultaneously: resolution up to 4K(3840X2160P@30Hz),down compatible with 2K (2560x1440@60Hz),1080P(1920x1080)@60HzPlease Noted: The final resolution of HDMI output depends on your host devices, (Only when your devices support 4K resolution, the video output will be 4K). Mirror Mode For Windows/Mac OS/Android Please supply power for Samsung cellphone when setting Samsung DeX Mod. Extend Mode 1 For Windows/Mac OS Does not support 2 external displays show different images for Apple computers in extend mode. Extend Mode 2 For Windows Only Windows Laptop Support Extend & MST Mode(Triple Display) Simultaneously.
eBay