16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7AFR4A-RD DDR3-RDIMM Server Step Code SR0RF Number of

Step Code SR0RF Number of Cores 2 Number of Threads 4 Frequency 3

Manufacturer Micron Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3-12800

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

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

Step Code SRH3A Number of Cores 6 Number of Threads 12 Frequency 3

16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7AFR4A-RD DDR3-RDIMM Server Step Code SR0RF Number ofManufacturer Hynix Memory Type DDR3 Capacity 16GB Data Transfer Rate 1866Mhz Bus Type PC3 14900