4GB DDR3 1600Mhz PC3-12800 Sodimm 1Rx8 1.35V 204pin Crucial Original Part # CT51264BF160BJ capacity:4GB Step Code SRG17 Number of

Step Code SRG17 Number of Cores 8 Number of Threads 8 Frequency 2 GHz / 2000 MHz L3 Cache 12 MB Bus Speed 8 GT/s Socket 1151 Dimensions 1

Step Code SR2H9 Number of Cores 2 Number of Threads 4 Frequency 3

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

Manufacturer Heatsink  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133MHz  Bus Type PC4-17000

2 GHz / 3200 MHz L3 Cache 6 MB Bus Speed 8 GT/s Socket 1151 Dimensions 1

4GB DDR3 1600Mhz PC3-12800 Sodimm 1Rx8 1.35V 204pin Crucial Original Part # CT51264BF160BJ capacity:4GB Step Code SRG17 Number ofManufacturer Crucial Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3 12800