V7 V7128004GBS LV 4GB DDR3 PC3 12800 1600mhz 1.35V SO DIMM Notebook Memory Module

Amazon

4GB DDR3 1600MHZ 1.35V Memory Module Improve System Performance Designed for compatibility with various makes and models of notebook computers Easy Installation Notebook Memory Module

Zoro Tools

4gb Ddr3 1600mhz Cl11 Non Ecc So Dimm Pc3-12800 1.35v Leg