This question already has an answer here:
I have a compac desktop computer and I want to update it with the 2 or 3 GB or RAM. I am confused that what type of RAM this system have whether DDR2 or DDR3. The processor in my computer is AMD Athlon.
So, if possible please let me know, the ways how can I check the type of RAM whether DDR2 or DDR3.
And how can I check by looking at the RAM that what type of this.