256GB DDR4 2933Mhz PC4-23400 ECC LRDIMM 4Rx4 1.2V 288Pin Lenovo Original Part # DDR5-NON ECC Desktop Manufacturer Micron Memory Type DDR4

Manufacturer Micron  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

Manufacturer Micron  Memory Type DDR4 Capacity 256GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Hynix Memory Type DDR5 Capacity 128GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

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

Manufacturer Lenovo Memory Type DDR4 Capacity 64GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

256GB DDR4 2933Mhz PC4-23400 ECC LRDIMM 4Rx4 1.2V 288Pin Lenovo Original Part # DDR5-NON ECC Desktop Manufacturer Micron Memory Type DDR4Manufacturer Lenovo Memory Type DDR4 Capacity 256GB Data Transfer Rate 2933Mhz Bus Type PC4 23400