Need some immediate help, DDR4 RAM isn't fitting into

DDR3 to DDR4 :: Hardware and Operating Systems does ddr3 fit in ddr4 slot So, you can't mix and match SDRAM, DDR, DDR2, DDR3, DDR4, or DDR5 memory on the same motherboard, as they won't function They may not even fit in the same does stopping a slot machine change the outcome If you say the DDR3 graphics card is compatible with the DDR4 motherboard so we must say as you know that the motherboard can't be able to

does it matter what pcie slot i use You physically CANNOT put a DDR3 stick in a DDR4 slot They are physically keyed so they cannot be put in interchangeably If you did get it