Mother Board C5PRH LA E921P For Acer Predator Helios 300 Laptop Motherboard With CPU i7 7700HQ Gtx1060 MB Test Function|Laptop Motherboard| - AliExpress
Installing second SSD drive on Predator Helios 300 PH315-55-70ZV in 2022 I could get the second SSD? — Acer Community
Laptop Acer Helios 300 G3 571 Disassembly Take Apart Sell. Drive, Mobo, CPU & other parts Removal - YouTube
Hard drive installation instructions for Predator Helios 300 (PH315-53) - Acer Community
For anybody who asked, here is the inside of the Acer Predator Helios - 300 (2019) I took it apart too add another SSD, normally i don't bother with this kinda thing. :