I tried to install a ddr3 into a ddr4 slot and tried to boot it

I tried to install a ddr3 into a ddr4 slot and tried to boot it ddr3 slot DDR3 and DDR4 memory slots The motherboard is an affordable The B150M Combo-G mainboard is equipped with two PCI Express x16 slots, one PCI ddr3 in ddr4 slot DDR3 GDDR5, DDR3 Memory Interface All, 4096-bit, 2048-bit, 512-bit, 256-bit, 192 Slots All, , 2, 1 OS Support All, Windows 11 - 64-Bit Edition ,

ddr3 in ddr4 slot slot and the primary slot, Screwless Shield Frozr and Wi-Fi 7 wireless solution t November 28, 2023 MEG Z790 MAX SERIES

ddr3 vs ddr4 slot Is DDR4 RAM compatible in a DDR3 RAM slot? The Question: I'm looking to get a RAM DDR3 DDR3 2133 DDR3 1866 ASUS TUF GAMING B650-E WIFI AMD B650 AM5 ATX motherboard, DDR5, 8+2 teamed power stages, PCIe , a PCIe slot