Well, measuring takes time and I bought the M4P, can‘t change anything. So I enjoy flying and I‘m happy not having to use a SD Card. So the combination SSD and M4P is fast enough to do everything I want, no need to do speed tests any more...
I have over 100tb and that's after a huge consolidation of data. It's impossible to run a stock footage library on the cloud so I have two physical copies of every drive in the edit suite and another physical copy in a separate building in case...