New Original For Lenovo Ideapad 330s-15arr Laptop Uma Motherboard Cpu R3-2200u Ram 4g Ddr4 5b20r27415 5b20r27410 100% Test Ok - Laptop Motherboard - AliExpress
OFFTEK 16GB Replacement Memory RAM Upgrade for IBM-Lenovo IdeaPad 330S-15ARR (DDR4-19200) Laptop Memory at Amazon.com
Lenovo Ideapad 330S RAM Upgrade Step by Step - YouTube
Upgrade Lenovo Ideapad 330s-15ARR ssd M2 y Ram - YouTube
A-Tech 16GB Module for Lenovo IdeaPad 330S-15ARR Laptop & Notebook Compatible DDR4 2666Mhz Memory Ram (ATMS277097A25832X1) at Amazon.com