How to upgrade RAM and Hard Drive - Lenovo Idea Pad s340 - YouTube
Lenovo Ideapad S340 13.3" Laptop, Intel Core i5-10210U Quad-Core Processor, 8GB Memory, 256GB Solid State Drive, Windows 10 Home in S Mode, 81UM001XUS - Walmart.com
8GB Memory for Lenovo IdeaPad S340 Compatible RAM Upgrade DDR4 2400MHz SoDIMM (PARTS-QUICK Brand) at Amazon.com