KingSpec DDR3 RAM Memory 4GB ddr4 8gb 1600MHz RAM For Laptop Memoria Description: 1. Interface: 204-pin DIMM; 2. Speed: 1600Mbps; 3. Input voltage: DC 1.5V/1.35V 4. Operating temperature: 0~ +70; 5. Storage temperature: -20~ +75; 6. physical dimension: 60.6mm length * 25.0mm wide (Please note:black board and blue board will be delivered randomly.)