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Ram compatibility problem

Hello guys.
I have some problems with one optiplex gx280 memory upgrade.
I have pc2-3200 512mb ram and i want to upgrade to 2 gb, the only ram available for me is
Pc2- 6400. It will work or not?
Please help me.
Thank you.
6 answers Last reply Best Answer
More about ram compatibility problem
  1. I can't really find much information about it since it's about 8 years old, but I think it will work. However, I do not support the idea of upgrading your RAM at this point, it's a very old PC and for about $200-300, you can get a brand new one that's faster than that PC.
  2. You need to give the model number of your computer in order for people to really answer that question. What you did tell us, is that you are (probably) running DDR-2 memory and that your motherboard would be able to use up to 4200 speed mem as an upgrade.
    Look at the different speeds:
    DDR2 3200 = 400Mhz
    DDR2-4200 = 533Mhz
    DDR2-5300 = 667Mhz
    DDR2-6400 = 800Mhz

    The answer (without knowing more about your computer) is MAYBE you can run DDR2-6400, the socket is the same, so the memory will fit in the same place as your current memory. It is true that DDR2 was designed to be backward compatible; but, not all memory is the same. PC6400 is the fastest and sometimes requires more voltage than your motherboard can supply. If the sticks of RAM you are looking at specify they will run at 1.8V; then they will probably work in your motherboard; but, you will not get much of a performance difference because your motherboard will run the RAM at a slower speed than PC6400. Try to find PC-4200 if you need more in your machine. It is getting really cheap now.
  3. The motherboard is supporting ddr2-4200 and ddr2-3200.
    I have 512 mb 2x256mb ddr2-3200.
    I want to upgrade to 2x1gb ddr2-5300 or ddr2-6400.
    I'm not finding ddr2-3200 or ddr2-4200 so which one it will work better?
    Thank you.
  4. Best answer
    Razvan1997 said:
    The motherboard is supporting ddr2-4200 and ddr2-3200.
    I have 512 mb 2x256mb ddr2-3200.
    I want to upgrade to 2x1gb ddr2-5300 or ddr2-6400.
    I'm not finding ddr2-3200 or ddr2-4200 so which one it will work better?
    Thank you.


    GO with DDR26400 .. As your motherboard supporting DDR23200 and you can easily use DDR26400 So go on.. and one more thing your PC is very OLD.. upgrade it.
  5. Thank you so much.
    I will upgrade it.
  6. Razvan1997 said:
    Thank you so much.
    I will upgrade it.


    Thumbs Up.. Just GO ON
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