NOTE: DOES include power adapter Samsung U28E590D 28" 4k LCD Monitor offers a 3840 x 2160 (4K) UHD resolution with a 1 ms response time. Featuring a 60 Hz refresh rate (60 FPS) it provides a bright display with 370 cd/m brightness. This monitor is suitable for MacOS, and works well with its' scaling and comes close to the text sharpness of Apple's Studio display (better than 1080p). It can be also used with Windows - providing a rich in clarity experience. This monitor can be used to its' fullest potential with 1 DisplayPort and 2 HDMI ports combined with a simple joystick at the back of the monitor to allow switching video signals - allowing you to have multiple 783/5,000