The most common Hitachi drive models we received within the last year: HTS725050A7E630-Z7K500 HTS725032A7E630-Z7K500 HDT721010SLA360-Z7K1000 HTS725032A9A360-Z7K500 HTS723232A7A364-Z7K320 HTS725050A9A364-Z7K500 Almost every Hitachi hard drive we received for recovery was clicking. Fortunately, the majority of these hard drives did not sustain any platter damage, the platters simply do not seem to be affected by the read/write head […]