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.
How to install SSD in Acer Aspire ES1-512, ES1-531 | Hard Drive replacement - YouTube
Acer Aspire ES1-512 8GB RAM Upgrade 128GB SSD Upgrade Windows 11 Pro 64Bit Crystal Disk Mark Review. - YouTube
Acer Aspire ES1-512-C80E Hard Drive Replacement - iFixit Repair Guide
Acer Aspire ES1-512-C80E Hard Drive Replacement - iFixit Repair Guide
Acer Aspire ES1-512-C80E Hard Drive Replacement - iFixit Repair Guide
Amazon.com: Universal 9.5mm SATA 2nd Hard Drive HD SSD Optical Bay Caddy Frame Tray for Acer Aspire E15 E17 ES1-511-C50C ES1-512 ES1-512-P84G ES1-512-P1SM : Electronics
Acer Aspire ES1-512 Laptop Hard Drive Replacement - LaptopHDS.com
Amazon.com: DY-tech 2nd Hard Drive HD SSD Caddy Frame Tray for Acer Aspire E14 E15 E17 ES1-511-C50C ES1-512-P84G E5-411G E5-575G E5-771G : Electronics
Acer ES1-512 MS2394 SSD upgrade - YouTube
Can you replace the acer aspire es1-132's ssd? : r/AcerOfficial