Everyone knows SSD kicks the crap out of spinners.
Everyone knows RAID 5 is too slow for writing to disk, generally RAID 10 is used these days.
Lets do some comparisons, using CrystalDisk Mark 8.0.4, using default values except setting the profile to Real World Performance rather than the default.
The machine I am conducting the tests are is not super modern, the hardware is:
Dell R620
Test #1 – RAID 5 – SSD
Test #1 – RAID 5 – Spinner