Difference between DDR3 and DDR4

Note at the motherboard it states DDR3_A1 and DDR4_A1 Further questioning at the booth gave us two tidbits of information Firstly, DDR3 is

KitGuru Says: Keeping in mind that DDR4 memory is still more expensive than DDR3, it makes a great sense to use the latter for inexpensive

ddr3 in ddr4 slot desktop memory ddr ddr2 ddr3 ddr4 ddr5 Desktop Memory Designed for motherboard, CENS is walking away with the grand cash prize o · 07

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