The need of mutiple files is to reduce contention on certain key system pages in the data file.

I must admit that as a habit I dont create these...

George Santayana, wrote "Those who cannot remember the past are condemned to repeat it."

You were lucky, I have worked in some companies (including the current one) that believes it is too much effort and too expensive to set up power accounts for admins....

If you are going to protect your SSD with RAID then give it a good few months (or 10% of its expected life) to get some wear and then...