Does a 32-bit to 64-bit OS upgrade increase the amount of RAM I can install?

FishFearMe February 14, 2010

I am currently using Windows & Ultimate, 32-bit with 2GB of RAM. My system’s max RAM is 4GB. If I upgrade to Win7 Ultimate 64-bit, will I be able to install more than 4GB of RAM on my Lenovo T60p?

  1. Aibek
    February 15, 2010 at 4:59 am

    It depends on your motherboard, you need to check your motherboard specs what is the max. amount of RAM it supports. If it's a laptop, just search for it online on sites like Amazon and I am pretty sure you will find this info in the specs.

    Moreover, you should know that Windows XP 32-bit can recognize at MAX. 4GBs of ram. So even if you have a motherboard that can support up to 8GB of ram you won't be able to utilize more than 4GBs under Windows XP 32-bit. The 64-bit version on the other hand can recognize up to 128 Gbs (might be wrong with this number). I suppose in this case the limitation is your motherboard.

    • FishFearMe
      February 16, 2010 at 12:22 am

      My 32-bit system is 64-bit ready. So I can load up on the RAM?

      • Aibek
        February 21, 2010 at 9:01 am

        Depends on the amount of RAM your motherboard can support.

        • Anonymous
          March 9, 2010 at 3:32 pm

          From what I have read, if you have a video card with memory on it, that also effectively reduces the amount of system memory w7/32 can address since the total memory is limited to what can be addressed in 32bits. For me having 6gig has not done much. I have no programs that address huge amounts of memory. (not a gamer).