2 NVMe SSD's which slot to put OS on and does it matter?

2 SATA SSD will definitely work but I believe that a PCIe SSD PCIe NVMe, Form Factor: ) on my acer laptop A315-51-30H6 Does

2 slot doesn't guarantee NVMe compatibility was designed to support USB , SATA, and PCIe, and most early slots supported only SATA

m2 sata slot Boot the computer and press the F2 key to start the BIOS setup utility during start Navigate to Advanced -> PCI Configuration -> UEFI Option ROM Control; Find

m2 slot mainboard This is because almost all modern motherboards come with 2 to 3 SSD slots And if you are going with a high-end motherboard, it can even offer 4 to 5