DELL S Series S3423DWC LED display 86.4 cm (34) 3440 x 1440 pixels Wide Quad HD LCD Black. Display diagonal: 86.4 cm (34"). Display resolution: 3440 x 1440 pixels. HD type: Wide Quad HD. Display technology: LCD. Response time: 4 ms. Native aspect ratio: 21:9. Viewing angle. horizontal: 178°. Viewing angle. vertical: 178°. Built-in speaker(s). Built-in USB hub. VESA mounting. Height adjustment. Product colour: Black