HP Enterprise HDD 500GB 7.2K 508009-001 SAS 2.5" Hot-Plug DriveHP Enterprise HDD 500 GB 7. 2K 508009 001, 2. 5", 500 GB, 7200 RPM 500GB, 7200RPM, SAS, 2. 5" Replacement Drive Qualification Procedure When ordering spare parts, customers may receive a hard drive that differs from the original. Replacement devices are necessary because older technology products reach end of life and are no longer available on the market. The HP drive qualification process consists of advanced, rigorous testing to ensure that