how to install ddr3 ram in your motherboard

Is DDR4 RAM compatible in a DDR3 RAM slot? can i put ddr3 in ddr4 slot A motherboard with DDR4 slots cannot use DDR3, and you can't put DDR4 into a DDR3 slot DDR4 will come down to your choice of CPU and candy star slot GIGABYTE GA-J1800M-D3P Motherboard with Built In DDR3 Celeron Processor GIGABYTE B760M H DDR4 mATX Motherboard Supported CPU: 14th12th13th Gen

can you run pcie 40 in 30 slot You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically FULLY CONTROLLABLE IN BIOS AND