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 536394-001 - Backplane board - For the 8-bay hot-plug small form factor (SFF) hard drive cage - Mounts on the rear of the hard drive cage Retail
HP 390547-001 - 6-bay hot-plug SATA/SAS large form-factor (LFF) hard drive cage assembly - Includes the hard drive cage with SATA/SAS backplane and backplane cables - Mounts in the lower front of the server (for tower models) or right front (for rack Retail
HP 667877-001 - 20-pin backlane cable - For the 8-bay Small Form Factor (SFF) hard drive cage (only) - Connects between the hard drive backplane and the system I/O board Retail
