PSA: You can put a SSD in an Acer Chromebook 14! : r/chrultrabook
HP Chromebook 14 G3 Netbook (Tegra Quad Core K1/4 GB/16 GB SSD/Google Chrome) - K4K11UA Price in India, Full Specifications (26th May 2022) at Gadgets Now
Acer Chromebook C720 SSD Upgrade To MyDigitalSSD M.2 (NGFF) 128GB SSD - Worlds Easiest Upgrade | The SSD Review