Unlike magnetic hard disk drives, the more common storage solution used today, SSDs have no moving parts and do not rely on magnetic fields to store data. Due to this fact, SSDs have plenty of advantages: They are exceptionally rugged, durable, reliable and offer a faster experience. This HDD can be used to Replace MK2008GAL MK3008GAL MK4008GAL MK4009GAL MK6008GAH MK6028GAL MK8009GAH MK8022GAA MK8025GAL MK8034GAL MK1011GAH MK1214GAH MK1231GAL MK1634GAL HS030GB HS040GB HS04THB HS06THB HS060GB HS082HB HS120JB HS122JC Not compatible with iPod 5th Gen Zune