4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Crucial Original Part # capacity:4GB Manufacturer Heatsink Memory Type DDR4

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

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

Manufacturer Elpida  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1600Mhz  Bus Type PC3-12800

Manufacturer Samsung  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1866Mhz  Bus Type PC3-14900

Manufacturer Micron  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666MHz  Bus Type  PC4-21300

4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Crucial Original Part # capacity:4GB Manufacturer Heatsink Memory Type DDR4Manufacturer Crucial Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3 12800