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this post was submitted on 29 Apr 2025
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No, because it's a 600W card and 8-pin are only rated for 150W each.
Even with 4x 8-pin it's not 100%, because those can also melt.
With 4x 8-Pin you'd have max. 131.25W/150W (11A/12.5A) (depending on if the 75W over the PCIe slot is monitored) over one wire, which, while not in spec, is within reasonable expectations. Not to mention, that this would require exactly 2 of the 3 wires/plugs in each cable to malfunction, as with less malfunctioning, the power would be more distributed. And with more malfunctioning, the card would stop working. With 12VHBRN, of the 6 pins available, 5 are free to malfunction as they please. Which ends in 525W (43.75A) through one wire. Which are 100°C at 20A, and melt not far from that.
So, 99% safe if you buy from QUIHUIJUIHUJONGQUI, and, 100% safe for more reputable brands/materials.