Drive cage options Installing a front 8NVMe SSD Express Bay drive cage Installing a front 6SFF SAS/SATA + 2NVMe Premium drive cage Installing a front 8SFF SAS/SATA drive cage in box 1 Installing a front 8SFF SAS/SATA drive cage in box 2 Installing a front 2SFF NVMe/SAS/SATA Premium drive cage Installing a midplane 4LFF SAS/SATA drive cage Installing a rear 2SFF SAS/SATA drive cage in the primary or secondary riser Installing a rear 2 SFF SAS/SATA drive cage over the power supplies Installing a rear 3LFF SAS/SATA drive cage