Backplane Specs Comes With: 780971-001- 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 server812917-001- Mini-SAS/mini-SATA cable kit - For connecting front hard drive bay '1' to 12Gb SAS P440 or P840 controller, or integrated SATA controller - Includes three mini-SAS cables and one mini-SATA cable812919-001- Mini-SAS cable kit - For connecting front hard drive bay '3' to 12Gb SAS - Includes two mini-SAS cables812920-001- Mini-SAS/mini-SATA cable kit - For connecting front hard drive bays '1' through '3' to 12Gb SAS controller, or AROC SAS/SATA controller - Includes three mini-SAS cables, two mini-SAS/SATA AROC cables, and four mini-SATA cables812921-001- Hard drive bay power cable kit - For connecting front hard drive bays '1' through '3' to the system I/O board - Includes three 8-drive bar and one 2-drive bay power cables670033-001- Hard drive blank (cover) - To fill empty Small Form Factor (SFF) drive bays - for Gen8 servers