Asus’ Crosshair Hero Dark uses the same phase count (16) but upgrades to premium 90A parts instead of 60A in the non-Dark model. The 90A bits are some of the most robust we’ve seen and should easily handle any ambient or sub-ambient overclocking. Another significant difference between the Dark and the original Hero is the styling. The Dark tweaks things a bit with the heatsinks using a grooved pattern on the chipset/M.2 covers as well as the VRM heatsinks around the socket.
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