. FAST 120HZ REFRESH RATEROG Strix XG438Q offers an ultrafast 120Hz refresh rate ensuring that even the fastest-paced games played at the highest visual settings remain buttery-smooth and completely lag-free.RADEON FREESYNC 2 HDR FOR SMOOTH GAMEPLAYROG Strix XG438Q features freesync 2 HDR technology that delivers buttery-smooth visuals with low latency and better brightness and contrast. freesync 2 stipulates low-latency processing for both standard and HDR content eliminating the input lag typically associated with HDR content.HIGH DYNAMIC RANGE (HDR) WITH DCI-P3 90% AND DISPLAYHDR 600ROG Strix XG438Q supports HDR technology across a range of luminescence (up to 750cd/m2) to deliver a wider colour range and higher contrast than traditional monitors. The brightest whites and the darkest blacks bring out details like never before. ROG Strix XG438Q also delivers DCI-P3 90% colour gamut and contrast performance that meets the requirement for DisplayHDR 600 approval..