Key difference between DDR4 and DDR3 RAM

How to tell what kind of RAM you have can you use ddr3 in ddr4 slot DDR3 13331600 Max # of Memory Channels 2 Max Memory Bandwidth GBs Actual TDP may be lower if not all IOs for chipsets are used “Announced can i put a pcie 30 in a 40 slot No They don't even fit in the same slots There were a very few motherboards that had DDR4 and DDR3 slots, but you could only use one

candy pop slot 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