[Why so long to defrag small files ?]

For as long as I can remember, all the Defraggler versions I have used always had a very slow performance when defraggling small files.  I cannot say what size they are but on my backup HD, when its defraging it, when it hits those small files, it takes 2-3 hours to do a full defrag.  If I disregard those small files (guestimate), the same defrag would have taken less then 30 min.

Why is it so slow for small files?

[Tool says all my drives are SSD when I have 1 SSD (Boot O/S) + 1 SSD (files) + 1 HD (games/backups)]

I do not recall when this started but it has been the case for at least 1-2 years.  Defraggler sees all my drives as all being SSD.

The boot drive is an SSD Samsung EVO 250Gb. It is partitionned and my C drive is on its first partition.

Why is it not detecting my HD ?