is it compatible with the NZXT H6 Air Flow? because in some of the photos we found of the NZXT H6 Air Flow we can see a vertical support similar to this one.
Show off the heart of your PC with pride. With this solid steel bracket for the H9 Series, H7 Series, H6 Series and H5 Series, you can mount your graphics card vertically with plenty of room for cooling and stability.
Source: Manufacturer's page - Fits H9, H7, H6 and H5. I have installed this mount on my H9 Elite.