Winten DDR3 16GB (8GB x 2) PC3-12800 Notebook / Laptop Memory - SD1600-D16GB 204-pin SODIMM, 1600MHz DDR3 16GB (8GB x 2) DDR3 PC3-12800 Notebook / LAPTOP Memory Modules (204-pin SODIMM, 1600MHz) Unbuffer Non-ECC Memory, CL11 - 1.5V