Is 2 m.2 SSD necessary for me?

[mintholic]

I need a 2nd drive that I will be storing all of my music samples which require fast ssd to load them via sampler engine.

I decided to go for 970 pro for my 1st storage I'm not sure about the second one. Would m.2 ssd like 970 evo for d-drive be an overkill over SATA?

 

[Dark Lord of Tech]

I would get a standard SATA 860 EVO.