TechPowerUp reviewed the XFX Radeon RX 7900 XTX Merc 310 OC
A quote from the article:
With the Speedster Merc 310, XFX has engineered an excellent custom-design Radeon RX 7900 XTX. Thanks to an upgraded cooler, the card can easily handle the additional heat output from the three 8-pin power inputs. The additional power is put to good use, to extend the performance lead against GeForce RTX 4080.XFX Radeon RX 7900 XTX Merc 310 OC Review