parts-quick 8GB Memory for ACER Aspire ES1-512-C323 DDR3L PC3L-12800 SODIMM Compatible RAM at Amazon.com
Amazon.com: Acer Aspire Slim Laptop for Business Student, 15.6'' FHD Display, Intel Celeron N Series Processor, 12GB RAM 256GB SSD, WiFi, Webcam, RJ-45, USB Type-A&C, Windows 11, 1-Year Microsoft 365 +Mousepad :
How to upgrade RAM on the Acer Aspire 11 convertible notebook - Liliputing
How to upgrade RAM in your Acer Nitro 5 | Windows Central
Acer Aspire 5 A515-45-R67B Ram Upgrade - YouTube
OFFTEK 16GB Replacement Memory RAM Upgrade for Acer Aspire TC-780-ACKI5 (DDR4-19200 - Non-ECC) Desktop Memory at Amazon.com