G means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. G GIGABYTE M32UP, 31.5", 3840 x 2160 pixels, 4K Ultra HD, LCD, 1 ms, Black GIGABYTE M32UP. Display diagonal: 31.5", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LCD, Response time: 1 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub. VESA mounting, Height adjustment. Product color: Black