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PCIe standards group releases draft specification for PCIe 7.0
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
ASUS has been going outside the spec to implement their BTF thing, where cards have an extra connector in line with the PCIe bits that slots into the board for power (which is fed from standard ATX power plugs on the back of the board). https://edgeup.asus.com/2024/introducing-btf-an-easy-clean-approach-to-pc-building-that-keeps-the-cables-out-of-sight/
It's a step forward. ATX, though convenient and easy to work with for human fingers, could really be simplified for modern purposes. We've just been tacking stuff on for decades.