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
Acer Aspire One D255E RAM Replacement - iFixit Repair Guide
Acer Aspire One 522 netbook review - Liliputing
Acer Aspire One 522 netbook review - Liliputing
Acer Aspire E1-522 - Disassembly and cleaning - YouTube
4GB Memory Upgrade for Acer Aspire E1-522-xxx DDR3L 1600MHz PC3L-12800 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
Acer Aspire One 522-C5Dkk_W7625 MultiSpeed 2GB 1066/1333/1600 Mhz SoDIMM