ASUS unveiled a prototype this week with a new method for graphics cards to draw power from the motherboard's PCIe expansion slot, proposing a solution that could eliminate the need for card-mounted power cables for many entry-level and mid-range GPUs. The concept focuses on beefing up the physical ...
I’m going to copy two comments from TPU that i think are the most accurate regarding this proposal:
Yeah, it doesn’t make sense.
I could understand the rationale for wanting a high-power PCIe specification if there were multiple PCIe devices that could benefit from extra juice, but it’s literally just the graphics card.
One might make the argument “Oh but what if you had multiple GPUs? Then it makes sense!” except it doesn’t, because the additional power would only be enough for ONE high-performance GPU. For multiple GPUs you’d need even more motherboard power sockets…
It’s complexity for no reason, or purely for aesthetics. The GPU is the device that needs the power, so give the GPU the power directly, as we already are.
There was a point in the past when it was common to run multiple GPUs. Today, that’s not something you’d normally do unless you’re doing some kind of parallel compute project, because games don’t support it.
But it might be the case, if stuff like generative AI is in major demand, that sticking more parallel compute cards in systems might become a thing.