VisionTek 4GB DDR3 1600 MHz (PC3-12800) CL9 SODIMM - Notebook
VisionTek 1 x 4GB PC3-12800 DDR3 1600MHz 204-pin SODIMM Memory Module - 4 GB (1 x 4 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - 1.50 V - Non-ECC - Unbuffered - 204-pin - SoDIMM