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TB is just not fast enough to feed a reasonably fast GPU.

It's plenty fast enough for an external GPU if you're not gaming on it or doing something crazy. There's definitely potential uses for which it would be quite fine.

That said, I don't think anyone has specifically announced plans for one, but there was a PCIe case announced by Magma, which can actually handle 3 cards. Absurdly expensive, but they're taking preorders. No word on a launch date, yet.

jW
 
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