Samsung Magician
Samsung Magician
Consider the SATA3 standard as delivering 6Gb/s, not 6GB/s—gigabits rather than gigabytes. Thus, the real upper bound for SATA 3 is approximately 768MB/s. However, accounting for protocol and additional overhead, the practical speeds you can expect are even lower.
Check the related discussion. It appears Rapid 1.1 (part of Magician 4.4) offers improved results:
They are talking about their software, not their storage devices. No one questions the performance of their storage drives.
The 840 Evo 120GB Rapid mode was turned off following the magician software update.