HP Enterprise SSD 1.6TB SFF SAS P49746-001 12 Gbit/s Mixed UseHP Enterprise SSD 1. 6TB SFF SAS MU SC MV DRV SSD 1. 6TB SFF SAS MU SC MV Replacement Drive Qualification Procedure When ordering spare parts, customers may receive a hard drive that differs from the original. Replacement devices are necessary as older technology products reach end of life and are no longer available on the market. HP's drive qualification process involves advanced, rigorous testing to ensure that replacement drives are compatible