8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70QB0-CK0 DDR4-ECC SODIMM Manufacturer Heatsink Memory Type DDR4

Manufacturer Heatsink  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2400MHz  Bus Type  PC4-19200

Manufacturer DELL  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

Manufacturer Nanya  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

Manufacturer Hynix Memory Type DDR4 Capacity 128GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70QB0-CK0 DDR4-ECC SODIMM Manufacturer Heatsink Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type PC3 12800