The reason I’m asking is that I may be shooting on RED a little down the track and I needed a 4444 file to get my head around.
As you mentioned it may be my drive speed and Final Cut trying to render it to a lower bitrate. I’m using my internal harddrive though, for this experiment, but I don’t know how many RPM it is.
Yes sequence settings are match to clip settings.
Also, what is an alpha channel? How many channels does ProRes4444 have? and how is this linked with graphics.