Asrock unveils mainboard for 'Skylake' with DDR3 and DDR4

Can you combine DDR3 and DDR4? ddr3 vs ddr4 slot DDR3 modules use 240 pins and DDR4 DIMMs use 288 pins Both DDR3 and DDR4 DIMMs are 5¼ inch in length but the pins in DDR4 are spaced closer ddr3 vs ddr4 slot Is DDR4 RAM compatible in a DDR3 RAM slot? The Question: I'm looking to get a RAM

ddr3 in ddr4 slot DDR4 RAM has a higher capacity of 32 GB per module, and it can support up to eight channels of memory DDR4 RAM is not compatible with DDR3