HP Enterprise Hard Disk Drives 900GB 12G SAS 10K 768788-003 W1258368791. 2TB, 2. 5", 12G SAS, 10K rpm, SFF, SC, DS Spare disk qualification procedure When fulfilling service spare parts orders, customers may receive a hard drive that differs from their original. Replacement devices are essential as older technology products reach the end of their life cycle and are no longer available on the market. HP's disk qualification process consists of advanced, rigorous testing to ensure that hard drive substitutions are