Samsung 28-Inch Ultra High Definition LED Monitor U28D590D (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Ultra-high resolution that's 4 times greater than Full HD, delivering stunning images that use a staggering 8 million pixels Handle all the excitement of action movies, games and sports easily thanks to a faster response time of 1-millisecond 1 billion colors give you each and every color richly detailed and truly brilliant With Picture-by-Picture, you can connect two PCs to the same monitor and see the desktops of both simultaneously on one screen that's divided into two.