It is not my habit to post radically negative comments, but I must admit that I got there the jackpot! This key has a data protection system .. SUPER .. I think the only problem being that hardly received and connected to my pc .. .. it is unusable bin is precisely PROTECTED write, no instructions, no manual, password, the "security" software do not answer. I contacted Sandisk who advised me several manipulations but nothing .. my key is just good for ... the trash! I'm not a computer quiche and there, I admit that after three whole nights to solve the problem ... I am out and am forced to turn to another brand .. damage.