Upgrading computer-compability questions Hardware and Software by UtaChan … have): my graphic card is radeon 5770HD. My cpu is phenomII dual. mobo:GA-880GM-UD2H (rev. 1.3) link for… Re: Upgrading computer-compability questions Hardware and Software by Rik_ Upgrading ram will make no difference to what windows 7 version you have (apart from speeding it up obviously), it's the CPU that can sometimes make a difference. Your CPU is a 64 bit one so it is capable of running both 32bit and 64bit. Things to bear in mind tho, win7 32bit can only properly handle upto around 3.5gig of ram including graphics ram… Re: Upgrading computer-compability questions Hardware and Software by caperjack > system:win7 32 bit (rather not change to 64) i suggest you retink this, to get the full potential of your computers hardware ,ie:its 64bit cpu and the ability to utilize a lot more ram .it would make for a much better computer for you . remember that most 32bit app will work with 64bit if thats you concern Re: Upgrading computer-compability questions Hardware and Software by Rik_ Just had a good google and win7 64bit can use upto 128gb of ram. Upgrading to 4gb of ram with win7 32bit means you'd have half a gig that is completely unusable. Re: Upgrading computer-compability questions Hardware and Software by caperjack > Just had a good google and win7 64bit can use upto 128gb of ram > as long as you motherboard supports that much also .its likely all newer ones do now