16GB DDR4 2133Mhz PC4-17000 ECC UNBUFFERED DIMM 2Rx8 1.2V 288Pin Samsung Original Part # M391A2K43BB1-CPB capacity:16GB Manufacturer Samsung Memory Type DDR5

Manufacturer Samsung  Memory Type DDR5 Capacity 64GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Samsung  Memory Type DDR5 Capacity 32GB  Data Transfer Rate 4800Mhz Bus Type PC5-38400

Manufacturer Micron  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

Manufacturer Samsung  Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Hynix Memory Type DDR5 Capacity 256GB  Data Transfer Rate 5600Mhz Bus Type PC5-38400

16GB DDR4 2133Mhz PC4-17000 ECC UNBUFFERED DIMM 2Rx8 1.2V 288Pin Samsung Original Part # M391A2K43BB1-CPB capacity:16GB Manufacturer Samsung Memory Type DDR5Manufacturer Samsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2133Mhz Bus Type PC4 17000