G.Skill 16GB DDR4 SO-DIMM Laptop Memory Upgrade Kit 3200MHz (CL18) 1.20V PC4-25600 Ripjaws 2x8GB Dual Channel 16GB DDR4 Memory Upgrade Kit for Laptops, Contains 2 x 8 Modules GB Memory speed of 3200 MHz, standard PC4-25600 Full memory time of CL18 (18-18-18-43) - 260 pins Requires voltage of only 1.20 V, which means longer battery life. Features automatic overclocking that allows qualified systems to detect the highest speed available and automatically adjust BIOS settings to match RAM: 16GB DDR4 Brand: G.Skill Item Weight: 1.76 ounces Package Dimensions: 6.3 x 5.91 x 0.39 inches Computer Memory Type: DDR4 SDRAM Voltage: 1.2 Volts Manufacturer: G.Skill 16GB Dual Channel Laptop Memory Kit containing 2 x 8GB modules with 260 pins, rated to run at 3200MHz and requires only 1.20 V. From the premium G.Skill Ripjaws DDR4 range. Memory times of CL18 (18-18-18-43) .