8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70QB0-CMA DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR4

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

Manufacturer Micron  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

Manufacturer Micron  Memory Type DDR3 Capacity 32GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

Manufacturer Micron  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1600Mhz  Bus Type  PC3L-12800

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

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70QB0-CMA DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900