this last 6+ year, I have play and tested a lot of different SSDs, intel x25-m x25-e 520 530 (1500 pro ) S3500, and E7000(S3520). samsung 840 , 840 pro , 840 evo 850 pro, micron m500, m600, Sandisk extreme II, x400, z400s , toshiba's HG6 and so one. I buy them play test a bit and then sell...