I do laugh in that in all the times I ever did this for real (even back to my massive 170MB drive), it never felt much faster.
At that point, you had to deal with questions of interleave.
https://en.wikipedia.org/wiki/Interleaving_(disk_storage)
You probably defragged frequently enough. You would definitely notice it if a file system got fragmented enough.
At that point, you had to deal with questions of interleave.
https://en.wikipedia.org/wiki/Interleaving_(disk_storage)