SC5299-E Preventive maintenance kit includes – (2) Plastic slides from Fixed drive bay, (1) CPU Duct, (1) Intrusion Switch Assembly, (1) USB Cable, (1) Plastic fan bracket, (1) Front Panel board (new for PP4), (1) Front panel cable (24 pin for PP4), (1) Front Panel Board (New for PP4), (1) Power supply adapter Plate (For fixed PS), (1) Power supply tool-less PS lock, (4) chassis feet, (1) Memory PP4 duct, (1) 120MM Fan (4-wire PP4 new fan), (1) 92MM Fan (4- wire), (1) Fixed HDD Fan Plate, (1) 92MM plastic Fan Bracket