Random question: thoughts on how close GPUs be stacked to each other on a mobo?

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<!-- SC_OFF --><div class="md"><p>Motherboard: Asus x370 Taichi</p> <p>PCIE1: PCIe 3.0 x16 (runs at x16 single, or x8 when PCIE3 is also populated)</p> <p>PCIE2: PCIe 3.0 x16

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<!-- SC_OFF --><div class="md"><p>My company just banned us from putting any proprietary data into clould services for security reasons. I need help deciding between 2 pc. My main

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