Is it true windows 7 32 bit / 64 bit pro doesn't support more than 4 GB RAM but ultimate does.
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More aboutwindows ram issue
Just 32 bit OS that limits ram use.
every 32 bit os supports up to 3.85 gb ram (if you put in more it just won't use it). Windows 7 basic 64 bit supports up to 8 gb ram home premium up to 16gb ram, pro and ultimate up to 192gb ram. So i guess you are safe