Backplane Specs 784621-001- Mini-SAS cable assembly kit (Includes two mini-SAS cables) - For connecting the 8-bay Small Form Factor (SFF) hard drive cage to the drive controller board 784622-001- Power cable kit (Includes two cables) - For connecting the small form factor 8-bay (or three 8-bay) hard drive cages, or large form factor 4-bay, or 12-bay hard drive cages to the system I/O board 670033-001- Hard drive blank (cover) - To fill empty Small Form Factor (SFF) drive bays - for Gen8 servers 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 server 777288-001- Optional system insight display (SID) /power switch module assembly - Includes the SID assembly, power switch, UID switch, status LEDs, and USB connector - For use with servers configured with small form factor (SFF) drive bays