Can we put DDR4 ram in DDR3 Slot or DDR3 1600Mhz

can i put ddr3 in ddr4 slot   Dan can nvme be used in m2 slot

2-Slot Thermal and Power Specs Maximum GPU Temperature 94 Maximum Graphics Card Power 120 W Minimum System Power Requirement 400 W

Every DDR generation is different from the others DDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot  AMD B550 ATX DDR4 Wi-Fi 6E Motherboard - Black Model: B550TMHWKWIFI SKU: 6504286 MSI - B550 TOMAHAWK MAX WIFI AMD B550 ATX DDR4 Wi-

crown london casino slot machines DDR4 DDR4 3200 DDR4 2933 DDR4 2667 DDR4 2666 DDR4 2400 DDR4 2133 DDR3 DDR3 2133 slot line_back ALL FILTERS SATA 6Gbs RESET 10 x SATA 6Gb hello dosto ,is video mai mene apko btaya hai ki jo DDR5, DDR5X, DDR6 graphics card