Asus X553MA-BPD07051 RAM Replacement - iFixit Repair Guide
ASUS X553SA-BHCLN10 - Intel Celeron - N3050 / up to 2.16 GHz - Windows 10 Home - HD Graphics - 4 GB RAM - 500 GB HDD - DVD SuperMulti - 15.6" 1366 x 768 (HD) - black - Walmart.com
Asus X553M X553MA Motherboard System Board 60NB04X0-MB1900 – notebookparts.com
Asus X553MA disassembly: change ram and upgrade SSD - YouTube