MSI MAG 271QP QD-OLED X28 26.5" Widescreen QD-OLED Black Monitor (2560x1440/0.03ms/HDMI/DisplayPort/USB-C). MAG 271QP QD-OLED X28. OLED Care 2.0: MSI has developed a more advanced version to provide several care services and significantly reduce the chances of OLED screen aging.