Product Specifications: PICTURE QUALITY Size - 27" Display Type - IPS Color Gamut (Typ.) - DCI-P3 98% (CIE1976) Color Depth (Number of Colors) - 1.07B Pixel Pitch (mm) - 0.1554 x 0.1554 Response Time - 1ms (GtG at Faster) Refresh Rate - 144Hz (160Hz O/C) Aspect Ratio - 16:9 Display Resolution - UHD Resolution - 3840 x 2160 Brightness - 360cd (Min)/400cd (Typ) Contrast Ratio - 700:1 (Min.), 1000:1 (Typ.) Viewing Angle - 178º (R/L), 178º (U/D) Surface Treatment - Anti-Glare INPUT/OUTPUT HDMI - Yes x 2DisplayPort Yes x 1 Headphone Out - Yes USB Up-stream - Yes x 1 USB Down-stream - Yes x 2 POWER Type - Adapter Input - 100 ~ 240Vac, 50/60Hz Power Save/Sleep Mode (Max) - Less than 0.5W DC Off (Max) - Less than 0.3W Power Consumption (Typ.) - 65W Power Consumption (Max.) - 95W SPECIAL FEATURES NVIDIA G-Sync - Yes (Compatible) Adaptive Sync - AMD FreeSync Premium Pro Overclock - Yes Black Stabilizer - Yes Dynamic Action Sync - Yes Crosshair - Yes Flicker Safe - Yes Smart Energy Saving - Yes Reader Mode - Yes H/W Calibration (True Color Pro) - Yes Color Calibrated - Yes OnScreen Control (OSC) - Yes HDR (High Dynamic Range) - Yes (HDR10) Wide Color Gamut - Yes Nano IPS Technology - Yes Sphere Lighting - v. 2.0 VESA DisplayHDR - VESA Display HDR 600VESA DSC - Yes HDR Effect - Yes FPS Counter - Yes FreeSync (Low Frame Compensation) - Yes LG UltraGear Control Center - Yes 4-Side Virtually Borderless Design - Yes True Color Pro - Yes User Define Key - Yes SOUND Speaker - No Built-in Speaker Maxx Audio - Yes (Headphone Out)