Smart Array PCIe SAS expansion board - For increased disk storage capacity - Requires one PCIe3 x8 slot - Has nine internal x4 mini-SAS ports (two for connecting to the controller board and up to seven to connect to three drive cages and rear drives) ;

Smart Array PCIe SAS expansion board - For increased disk storage capacity - Requires one PCIe3 x8 slot - Has nine internal x4 mini-SAS ports (two for connecting to the controller board and up to seven to connect to three drive cages and rear drives) ;