There is no stock value. For most Ive seen, it seems to start giving problem around 3.2-3.5GB.

Id just open up Activity Monitor's Memory tab and compile some video... maybe open every program in your apps folder and see how high you can push it. I had a hard time getting up to 4GB. Ill have to do some research on an app that will simulate this. I am sure there is something out there.

So as of now at 4.8GB your stable?

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MOBO: Z77MX-QUO-AOS CPU: Core i7 3770K GPU: MSI N760 TF 2GD5/OC Case: Modded MacPro2,1
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Interests: KDE on Apple Darwin, Keeping it real with the command line, Helping those that help themselves