Acer - UM.KG7AA.002 - Acer G257HU 25 LED LCD Monitor - 16:9 - 4 ms GTG - 2560 x 1440 - 16.7 Million Colors - 350 Nit - 100,000,000:1 - WQHD - Speakers - DVI - HDMI - DisplayPort - Silver, Black - MPR Marketing Information from the Manufacturer Aspect Ratio: 16:9 Aspect Ratio: 16:9 Package