**60hz refresh rate** Pretty much brand new 4K monitor barely been used. Bought it less than a month ago but realized my PC isn't upgraded enough for it. 28-Inch 4K/UHD (3840 x 2160) with 1ms response time and Adaptive Sync/AMD FreeSync for immersive, crisp visuals featuring DisplayPort and dual HDMI connectivity. Really good looking picture quality. Comes with box.