Each of the 256GB or 512GB variant should have the right to buy, I can know if he should have the opportunity to turn prefer two smaller in a RAID 0, almost brings twice the speed, it is of course important to note that if a SSD should give up the ghost are the same all the data off, also you can then the Samsung SSD Magician Tool does not use the full extent, because this is the SSD's behind the RAID controller does not recognize and therefore does not recognize Samsung SSD.