as an
OS drive :nice to have windows seems snappier programs load quicker but there is NO performance gain for audio
record drive: complete waste of money unless you are doing lots of 96k tracks (past say 60+) then a 512g is a better option than 2 standard in raid 0 but is small.
samples drive: ideal for this particularly when using very heavy sample libraries or numerous libraries. things like loop/synths based would not take advatage where stuff like LASS/HW strings etc would