Acer AOPEN 27HC5R Zbmiipx 27" 1500R Curved AMD Radeon FreeSync Premium Display 2 speakers, 2 watts per speaker 16:9 Aspect Ratio. The AOPEN 27" Curved Display with Full HD (1920 x 1080) resolution offers the sharpest picture quality and provides a perfect picture with a broader view. The zero-frame design does away with the thick frames found on conventional monitors freeing up precious screen space so you have more to look at from edge to edge.