Quick overview from the supplier:
26.5” VIEWSONIC OLED XG272-2K-OLED Gaming Black/White (0.01ms, 1.5mln:1, 450cd, 2560x1440, 178°/178°, HDMI2.0 x 2, DisplayPort, 240Hz Refresh Rate, Console Mode 120Hz, NVIDIA G-Sync / AMD FreeSync Premium, Speakers 2 x 3W, Audio Line-out, Height adjustment, Pivot, VESA)
