Is DDR4 RAM compatible in a DDR3 RAM slot?

Foxconn DDR4 slot - standard type AH08847-A9B2G-4M

No DDR4 stands for “Double Data Rate Fourth Generation”, so the 4 at the end of DDR4 stands for “fourth generation”, the same as DDR3, the 3

ddr4 slot Download this stock image: RAM DDR4 slot in the motherboard of the computer laptop

ddr4 vs ddr5 slot This video gives you answers of: ○ DDR4 in DDR3 slot ○ DDR3 1600Mhz in DDR3 1333Mhz