Acer X LED LCD 27" wide IPS Monitor with 2560 x 1440 Max. Resolution; 1000:1 Dynamic Contrast Ratio; 178 /178 degrees Horizontal/ Vertical Viewing Angles (typical); 144Hz Refresh Rate; Connectors (cables included): DisplayPort 1.2, USB 3.0 hub (1 up, 4 down); 350 cd/m2 Brightness; 4ms gray-to-gray Response Time (typical); Internal Power Adapter; Compatible with NVIDIA G-SYNC technology; Black with red accent finish; NO Speakers.