4GB DDR4 2133MHz PC4-17000 NON ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Samsung Original Part # M378A5143DB0-CPB capacity:4GB Manufacturer Lenovo Memory Type DDR4

Manufacturer Lenovo  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Micron  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3200MHz  Bus Type PC4-25600

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

Manufacturer Dell  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933MHz  Bus Type PC4-23400

Manufacturer Micron  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1866Mhz  Bus Type PC3-14900

4GB DDR4 2133MHz PC4-17000 NON ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Samsung Original Part # M378A5143DB0-CPB capacity:4GB Manufacturer Lenovo Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 4GB Data Transfer Rate 2133MHz Bus Type PC4 17000