X-bit Labs compared the performance of six 2.5" HDDs from Fujitsu, Hitachi, Toshiba, Samsung, Seagate and Western Digital:
So, the choice is made in favor of perpendicular recording. Having overcome the unavoidable technical problems and made contracts with the distributors, the developers all introduced new HDD series reaching a recording density of 80GB per platter in the first generation. By the way, the recently released second-generation models feature a recording density of 250GB per platter but that’s going to be the subject of our upcoming review. Today I’ll discuss six 2.5 HDDs with a capacity of 160GB, a spindle rotation speed of 5400rpm and a SATA interface.