How to Install DDR4 Ram in PC to Increase System

can i put ddr3 in ddr4 slot   Dan can i use pcie 40 in 50 slot

In short, no Definitely not, unless you have a very odd motherboard DDr3 RAM is different from DDr4 RAM and isn't compatible with a DDr4

The Aspire E5-576G can take a max mem of 16GB and has 2x slots for the ram it can also be upgraded with an SSD 3D NAND SATA Is DDR4 RAM compatible in a DDR3 RAM slot? The Question: I Can we put DDR4 ram in

window slot vent Is DDR4 RAM compatible in a DDR3 RAM slot? The Question: I Can we put DDR4 ram in DDR3 in one MB together or not I hope this answer fill help you