Where to install SSD on motherboard?

2 Slot do I use Motherboard manual says following -For 3rd gen AMD Ryzen Processors, the _1 supports PCIe x4 and SATA modes M key design and type

You could also get a adaptor to plug into the pci-e ports on them motherboard You will get same speed and stability with it And you CAN choose

where is the m2 slot on my motherboard An 2280 solid-state drive , 22 mm wide and 80 mm long ; An 2280 solid-state drive , 22 mm wide and 80 mm long · Motherboard via one of: PCIe

where is m2 slot on motherboard 2 slot just above or below the graphics card PCIe slot Our MSI B450M Pro VDH Max Micro-ATX motherboard has a slot just below the graphics card slot, while