can someone explain me diference in performance on some ssd´s 4 example i was lookin for ssd in around 120gb size,and i found two that couth my atention, ------------ http://www.alternate.be/Samsung/840-EVO-MZ-7TE120BW-120-GB-SSD/html/product/1090483?tk=7&lk=6080 ------------ http://www.alternate.be/ADATA/Premi...C-128-GB-SSD/html/product/988420?tk=7&lk=6080 i wana know why some ssd´s are more expensive even if they have worst read/wright speeds??and have less gb´s like in those two up ! adata have 128gb and samsung have 120? can someone tell me witch of thiese two is beter?? edit:wrong link!!