4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 1Rx8 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Micron Memory Type DDR4

Manufacturer Micron Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

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

Manufacturer Micron  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1866Mhz  Bus Type PC3L-14900

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933Mhz  Bus Type  PC4-23400

Manufacturer Kingston Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2133Mhz Bus Type PC4-17000

4GB DDR3 1600Mhz PC3-12800 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 1600Mhz Bus Type PC3 12800