Amazon.com: Acer Aspire E 15 E5-575-33BM 15.6-Inch Full HD Notebook (Intel Core i3-7100U Processor 7th Generation , 4GB DDR4, 1TB 5400RPM Hard Drive, Intel HD Graphics 620, Windows 10 Home), Obsidian Black :
OFFTEK 2GB Replacement Memory RAM Upgrade for Acer Aspire 5552-5898 (DDR3-8500) Laptop Memory at Amazon.com