16GB PC4-2400T-E, unbuffered with ECC (error correcting code) synchronous dynamic random access memory (SDRAM), operated in a dual data rate (DDR4) mode, packaged in a dual in-line memory module, organized as 2Gx72
16GB PC4-2666V-R, registered synchronous dynamic random access memory (SDRAM) 2Gx4, operated in a dual data rate (DDR4) mode, packaged in a dual in-line memory module organized as 2Gx72
32GB PC4-2666V-R, registered synchronous dynamic random access memory (SDRAM) 2Gx4, operated in a dual data rate (DDR4) mode, packaged in a dual in-line memory module organized as 4Gx72
DIMM type: RDIMM; DIMM capacity: 64GB; DIMM rank: Dual; DIMM native speed (MT/s): 2666 MT/s; Voltage: 1.2 V; Minimum dimensions ( H x W x D): 8.89 x 19.05 x 1.91 cm
64GB PC4-2666V-L, registered synchronous dynamic random access memory (SDRAM) 2Gx4, operated in a dual data rate (DDR4) mode, packaged in a dual in-line memory module (DIMM) organized as 8Gx72