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Possible Duplicate:
Can you tell DDR and DDR2 apart visually?

I would like to know how to identify different types of RAM like:

  • SDRAM,
  • Dynamic RAM,
  • DDR,
  • DDR2,
  • DDR3,
  • DDR4
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marked as duplicate by random Feb 24 '11 at 15:21

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3 Answers 3

Usually the notches will tell you. Compare a few in person and it's not hard to tell, although the notch positions for DDR2, 3, etc can be a little harder to recognise from each other.

For DDR:

enter image description here

DDRAM will have two notches.

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Try the Ultimate Memory Guide over at the Kingston memory website

http://www.kingston.com/tools/UMG/default.asp

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Basically you can tell the type of ram by reading the fine print on either of the sticks or run memtest86-also it will tell you if anything is wrong.
http://www.memtest86.com/
If you just wish to know what is on your computer these sites will help
http://www.cpuid.com/
http://www.crucial.com/
If you wish to know more these sites give easy to read tutorials and info http://www.bleepingcomputer.com/tutorials/tutorial122.html
http://www.pcbuyerbeware.co.uk/RAM.htm
http://www.howtogeek.com/howto/windows-vista/what-kind-of-memory-does-my-computer-have-installed/
This link and related sites give easy to follow how to's
http://www.youtube.com/watch?v=cXlVvbgjrB0 ---- Hope you get the level of knowledge you are after

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