16GB DDR4 SODIMM 2666MHz CL19 1.2V Dual Ranked 2Rx8 Notebook Laptop16GB DDR4 SODIMM 2666MHz CL19 1. 2V Dual Ranked 2Rx8 Notebook Laptop 5 Year Warranty Super Fast RAM Module Power Supply: VDD = 1. 2V Typical VDDQ = 1. 2V Typical VPP = 2. 5V Typical VDDSPD = 2. 2V to 3. 6V Nominal and dynamic on die termination (ODT) for data, strobe, and mask signals Low power auto self refresh (LPASR) Data bus inversion (DBI) for data bus On die VREFDQ generation and calibration. Dual rank On board I2 serial presence detect (SPD)