Best Buy: Acer Aspire ES1-512-C1PW 15.6" Laptop Intel Celeron 4GB Memory 500GB Hard Drive Black ES1-512-C1PW
Acer Aspire ES (ES1-533) - Celeron N3350 · HD Graphics 500 · 15.6”, HD (1366 x 768), TN · 500GB HDD · 4GB DDR3 UP TO 8GB · Windows 10 Home | LaptopMedia.com
Best Buy: Acer Aspire ES1-521-852R 15.6" Laptop AMD A8-Series 8GB Memory 1TB Hard Drive Red NX.G2PAA.003
High Quality Acer Aspire ES1-432 Replacement Battery | Laptop Battery Direct
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.