How to verify if the PC RAM is DDR2 or DDR3

ddr2ddr3memorymotherboard

I want to buy a memory expansion for my desktop computer, so I wanted to check if my motherboard supports DDR2 or DDR3. I did some tests for it, but got different results.

  1. I ran dmidecode and got this result:

    type=DDR2
speed=800Mhz

  2. I saw the words in my mobo and there it clearly said DDR3 near the slot.

  3. I saw the specs of my mobo and it said:

    Memory:
    • 2 x DDR2 800/667 MHz SDRAM (8GB max.)
    • 2 x DDR3 1066/800/667 MHz SDRAM (4GB max.)

Another source of confusion is that I have 2 slots in my mobo, but the command shows 4, so I am totally confused about whether I have to buy DDR2 or DDR3 memory.

Best Answer

Run CPU-Z, in the memory tab it shows the RAM type:

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