4GB DDR3 1866Mhz PC3L-14900 NON ECC LONG DIMM 1Rx8 1.35V 240pin Crucial Original Part # CT51264BD186DJ capacity:4GB Step Code SR0YY Number of

Step Code SR0YY Number of Cores 2 Number of Threads 4 Frequency 3

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

Manufacturer Micron  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Micron  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1066Mhz  Bus Type PC3-8500

Step Code SR1PA Number of Cores 2 Number of Threads 4 Frequency 3

4GB DDR3 1866Mhz PC3L-14900 NON ECC LONG DIMM 1Rx8 1.35V 240pin Crucial Original Part # CT51264BD186DJ capacity:4GB Step Code SR0YY Number ofManufacturer Crucial Memory Type DDR3 Capacity 4GB Data Transfer Rate 1866Mhz Bus Type PC3L 14900