16GB DDR3 1066Mhz PC3L-8500 ECC RDIMM 4Rx4 1.35V 240pin Hynix Original Part # HMT42GR7BMR4A-G7 capacity:16GB Manufacturer Samsung Memory Type DDR4

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

Manufacturer Crucial  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

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

Manufacturer Kingston Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133MHz Bus Type PC4-17000

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

16GB DDR3 1066Mhz PC3L-8500 ECC RDIMM 4Rx4 1.35V 240pin Hynix Original Part # HMT42GR7BMR4A-G7 capacity:16GB Manufacturer Samsung Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 16GB Data Transfer Rate 1066Mhz Bus Type PC3L 8500