Well, I never heard about 'RAID0 with lower RPM HDDs is more reliable'.
But, personally, if it's about 7,2K vs 5,9K RPM, I would pick the faster one. And I always assume that RAID0 arrays are unreliable. It could fall apart at any moment. Make sure you have proper backup somewhere safe.
But, personally, if it's about 7,2K vs 5,9K RPM, I would pick the faster one. And I always assume that RAID0 arrays are unreliable. It could fall apart at any moment. Make sure you have proper backup somewhere safe.