How to Upgrade RAM & SSD on Acer Aspire E1-571G Laptop : 4 Steps - Instructables
2GB RAM Memory for Acer Aspire E1-571-6492, E1-421, One (521), One (522), One (533) Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade System Specific Memory - Newegg.com