NOTE: This is only supported in the 12LFF model
NOTE: 3LFF rear drives will consume the 2nd riser expansion slot.
NOTE: 3LFF Rear drives are only supported with the following processor characteristics: 145W, 22/18/16 Cores; 135W, 20/8/6/4 Cores; 120W, 18/16/14 Cores; 105W, 14/12 Cores; 90W, 10 Cores; 85W, 10/8/6/4 Cores; 65W, 14 Cores and 55W, 10 Cores, 160w v4 Processor.