Acer Aspire E1-571 Intel Core i3-3120M CPU @ 2.50GHz, 4 GB RAM, 500 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
2GB DDR3L-1600 (PC3-12800) SODIMM Memory RAM for Acer Aspire E1-571-6680
How to Upgrade RAM & SSD on Acer Aspire E1-571G Laptop : 4 Steps - Instructables