Can I use old DDR2 ram with a DDR3 motherboard?

NOTE: Systems using Intel 4th generation processors are not backward compatible with regular DDR3 memory modules If a DDR3 SoDIMM memory module

Features • DDR3 functionality and operations supported as defined in the component data sheet • 240-pin, unbuffered dual in-line memory module

ddr3 in ddr4 slot DDR2 vs DDR3 RAM

ddr3 vs ddr4 slot DDR3 and DDR4 memory slots: The H170Z3 in show looks A full sized ATX-based B150Z5 with both DDR3 and DDR4 slots was also on show