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How much RAM does a PC need to fully calculate exiobase product systems without any cut-off?

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Not regarding the RAM of the computer overall but the RAM that can be dedicated to openLCA: For the direct calculation: 10 GB (more is better, I just tested now and a single, full calculation needs max 7.5 GB). With a product system created as intermdediate step, this takes much more time, and takes about 30 GB for creating the product system alone, and then additional 12 or so for the calculation -> rather 50 GB or so.

This is for your startup in stealth mode, I guess?