HP 780974-001 - Hard drive SAS backplane board - Mounts on the rear of the 8-bay large form factor (LFF) hard drive cage Retail
HP 779086-001 - 8-bay hot-plug small form factor (SFF) hard drive cage assembly - Includes the metal cage structure and the SAS backplane board - Mounts in the front of the server (three cage assemblies can be used) Retail
