Upgrade SSD on Acer Aspire ES 11 ES1 132 C7XC - YouTube
Acer Aspire ES1-331 (Black) Laptop Hard Drive Replacement - LaptopHDS.com
Reddit, I opened up my Acer Aspire One (ES1-132) recently in the hopes of upgrading the 32GB SSD. It turns out the SSD is eMMC so it is soldered to the motherboard.
Acer Aspire ES1-131 - Disassembly and cleaning - YouTube
1TB SSD Hard Drive Compatible with Acer Aspire E5-574G-50TJ ES1-331 E5-573-54HX Alternative Component: Amazon.de: Computer & Accessories