when looking for a new HD for my lappy, i am given 3 choices for specific kinds on newegg- ATA-6, SATA 3.0G/b, and Serial ATA 150, i assume its Serial ATA 150 because in a review for one of those (a toshiba) somebody said its the exact one apple uses in the macbooks. but i just wana double chek so i'm not sol.