Genuine For Acer Predator Helios 300 G3-571 G3 Laptop Motherboard With I7-8750hq And Gtx1060m C5prh La-e921p Nbq2b11001 Test Ok - Laptop Motherboard - AliExpress
Used - Like New: ZGE Acer Predator Helios 700 Core I7-9750H Geforce RTX2070 Motherboard NB.Q4Z11.001 Laptop Motherboards - Newegg.com
For C5prh La-e921p For Acer Predator Helios 300 G3-571 Mbdummy057 Laptop Motherboard With I7 Cpu Gtx 1060 Gpu Ddr4 100% Test - Laptop Motherboard - AliExpress
Acer Predator Helios 300 (PH315-53) original IO Board - sparepartworld.com
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. :