Rear panel components Item Description 1 System fans 2 Management module 3 Power supply bays 4 I/O module Power supply LEDs Management module components Management module LEDs I/O module components I/O module LEDs PCIe slot definitions PCIe slot and processor mapping I/O SAS board port identification HPE Smart Array E208i-p SR Gen10 Controller port identification HPE Smart Array P408i-p SR Gen10 Controller port identification HPE Smart Array P824i-p MR Gen10 Controller port identification Controller backup power connectors HPE NS204i-p NVMe OS Boot Device components HPE NS204i-p NVMe OS Boot Device LED definitions