ASUS PB277Q 27" WQHD 2560x1440 75Hz 1ms Eye Care Monitor with DisplayPort HDMI Dual-link DVI VGA. The PB277Q is ready for work & play, featuring a 27" WQHD (2560x1440) display with 75Hz refresh rate and speedy 1ms response time. ASUS Eye Care flicker-free & low blue light technologies ensure minimal eyestrain during extended viewing, while DisplayPort, HDMI and DVI connections offer a wide range of compatibility.