https://www.tomshardware.com/reviews/cheap-raid-ravages-wd-raptor,1562-3.html
7,200 RPM WD4000KD Caviar - Cheap RAID Ravages WD Raptor | Tom's Hardware
Mar 12, 2007 - A quick hard drive such as Western Digital's Raptor noticeably accelerates your PC, but is it still the best choice for enthusiasts?