How many drives should you have in a custom gaming computer?

I am making a custom gaming and work-related computer. There will be a total of three hard drives but I am not sure if that is a lot or what. My plans are to video edit for homework and work, and also stream games on it. So here is the list of hard drives I will have: A Samsung 860 Evo (500Gb) 2.5' SSD for my... show more I am making a custom gaming and work-related computer. There will be a total of three hard drives but I am not sure if that is a lot or what. My plans are to video edit for homework and work, and also stream games on it. So here is the list of hard drives I will have:

A Samsung 860 Evo (500Gb) 2.5' SSD for my startup drive!
A Samsung 970 Evo (1Tb) M.2 Solid State Drive for my games!
A Toshiba X300 (5Tb) 3.5' 7200RPM Internal Hard Drive for all my videos and pictures for editing.

I will a provide a full spec. sheet for my custom computer:

https://pcpartpicker.com/list/DYDZ4q

Are these good enough for streaming a game and just doing work/homework? Thanks!
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