Perfect does exactly what he should! I have a 27-inch monitor of only 2x DVI-D and 1 x DisplayPort owned so what is the solution if you want anschliesen 1 laptop with HDMI clearly adapter is needed. As my former adapter unfortunately only a resolution of Full HD support but my monitor Nativ QHD want saw the picture and so beautiful). But with this adapter everything is perfect at last I have a qHD resolution.