8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70DH0-CMA DDR4-NON ECC Desktop Manufacturer Samsung Memory Type DDR4

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

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

Manufacturer Sumsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2400Mhz Bus Type  PC4-19200

Manufacturer Samsung  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1866Mhz Bus Type  PC3-14900

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

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B1K70DH0-CMA DDR4-NON ECC Desktop Manufacturer Samsung Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900