The slide deck emphasizes the benefit of the smaller process node for power efficiency and performance/watt but one thing I noticed is several different slides specifically call out SFF as a beneficiary of this, with phrases like "Enables incredible form factors", "The GPU design for Small Form Factors", and my favorite: "Discrete cards with less power connectors". As someone using two splitters in order to get the necessary number of connectors to run my dual GPUs off a SFX PSU, that is welcome news indeed.
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