CCleaner Defraggler: Before & After
2TB Western Digital Red 7200 SATA-III, 200GB free, 37% fragmented:
…and like Jesus before it, 3 days later:
I must say: so much snappier. Games load better, OS is perkier. Happy with the result. Still need to get a SSD instead of relying solely on this, but it is what it is.