4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 1Rx8 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Micron Memory Type DDR4

Manufacturer Micron  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

Manufacturer Crucial  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1333Mhz  Bus Type PC3-10600

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

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

Manufacturer Micron  Memory Type DDR3 Capacity 32GB  Data Transfer Rate 1866Mhz  Bus Type PC3-14900

4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 1Rx8 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Micron Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1866Mhz Bus Type PC3 14900