I have recently migrated an old SSD to a new 850 EVO 250GB.
But the speed is unfortunately very slow in in Samsung Magician.
I have done 10 benchmarks the last day and sequential read/write is around 280MB/s and 320MB/s. The random read/write (IOPS) is also slow.
W8.1 64-bit
Asus Z87 Pro...