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.
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16GB SSD ZIF HDD Drive P-SSD1800, GA5N5000018-0J0004 Acer Aspire One A110 Series SSD CE/ZIF. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation