b200 slot24 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 readyDIMM Slot Identifiers. This blade server contains 32 DIMM slots—16 per CPU. To assist with identification, each DIMM slot displays its memory