Photoshop: how large a scratch disk do I need?

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How many Gb should I have in a partition on a Mac to use it exclusively for photoshop scratch disc?
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Miguel Mora

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Posted 4 years ago

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Chris Cox

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That depends on the sort of documents you use, how many documents you have open at once, and how many history states you have set for the maximum.

For web graphics, they might need only 20-100 Gig of scratch space.
For high resolution photos, they might need 500 Gig to 1 TB.
For developers, videographers, astrophotographers, and panorama stitchers, they might need a bit more (2 TB and up).