4GB 2X2GB RAM Memory for Lenovo IdeaPad Y Series Y550 4186 Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-8500 1066MHz Upgrade System Specific Memory - Newegg.ca
8GB Memory Upgrade for Lenovo IdeaPad Y410p PC3-12800S 1600MHz DDR3 SODIMM RAM (PARTS-QUICK - video Dailymotion