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Does it make a difference if the voltage is not the same on ram memory?

Hello,
I upgraded my memory to 4gb using 2x2gb memory at with 1.9v. the 1gb memory that i replaced was 1.8v. Will that make a difference? it seems to be working OK.
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  1. Hi newcomer and welcome to the Tom's hardware forum.

    For RAM size from 1GB to 4GB u will see a big difference for voltage u won't see any difference.
  2. Best answer
    As long as the system is stable using the old 1.8V setting you can leave it there but if you start having stability problems then you might want to go into the BIOS and increase the Voltage to 1.9V if needed. (Many 1.9V rated modules will run stable at 1.8V but some will require the full 1.9V)
  3. saint19 said:
    Hi newcomer and welcome to the Tom's hardware forum.

    For RAM size from 1GB to 4GB u will see a big difference for voltage u won't see any difference.



    Thanks,
    The system is a Dell Inspiruon 530 and I used Patriot memory cards
    The computer is working better and I don't see any issues (or smoke). Thanks again for your reply.
  4. JDFan said:
    As long as the system is stable using the old 1.8V setting you can leave it there but if you start having stability problems then you might want to go into the BIOS and increase the Voltage to 1.9V if needed. (Many 1.9V rated modules will run stable at 1.8V but some will require the full 1.9V)



    Thanks,
    The system is a Dell Inspiruon 530 and I used Patriot memory cards
    The computer is working better and I don't see any issues (or smoke) so far so good. If I have problems I can go into the BIOS and increase the voltage. I just would have to change the voltage from1.8v to 1.9v ? Is there anything else I would need to do?
    Thanks again for your reply
  5. Your welcome, that's why we are here. Enjoy the new RAM. ;)

    The mobo should adjust the voltage auto to 1.8V and I think that u won't have problems with that voltage.
  6. Best answer selected by dohar.
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