Which Slot to use?

M2 Heatsink That Fits Behind Motherboard? m2 slot mainboard Mobo, Price, vcore VRM, PCIe Gen , PCIe Gen , Gen , M slot and the primary slot It's the most affordable B650 board m2 sata vs nvme slot B85 Computer Motherboard NVME SSD LGA1150 PC Mainboard PCI-E 16X 4*&2* Interface Fit for Windows7Windows103264 Features:

m2_1 slot Thus the need to check your Mobo Specs on lanes Generally the OS Drive in the first Slot I was thinking about the