b200 slotThe UCS B200 M5 blade server uses an optional front storage mezzanine module that has two drive bays for hard disks or SSD drives, either 2.5-inch SAS, SATA, or24 DIMM slots for industry-standard DDR4 memory at speeds up to 2933 MHz, with up to 3 TB of total memory when using 128-GB DIMMs. Up to 12 DIMM slots ready