16SFF drive configuration — Connect the two Mini-SAS cables to the P840ar controller.
16SFF and 6NVMe drives with Express Bay Enablement option installed — Connect the two 8SFF Mini-SAS cables to the P840ar controller.
24SFF drives at the front, and 2SFF drives at the rear of the server — Connect the P840ar controller Mini-SAS Y cable to the SAS expander.
12LFF drives at the front, and 2SFF drives at the rear of the server — Connect the 12LFF Mini-SAS cable and the 2SFF Mini-SAS Y cable to the P840ar Controller.
12LFF configuration — Connect the two 12LFF Mini-SAS cables to the P840ar controller.
12LFF drives at the front, and 3LFF drives at the rear of the server — Connect the 12LFF Mini-SAS cable and the 3LFF Mini-SAS Y cable to the P840ar controller.