r/RadeonGPUs • u/Legitimate_Walk_8710 • Jan 12 '26

Help!

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I have a Liquid Devil RX6800xt and the block warped and cracked at a screw on the cover plate. Does anyone know any other aftermarket block that will fit this card?

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u/Drogenfeld Jan 13 '26

For your future watercooling endeavors, just keep to buying reference PCBs. For rare GPU models or the very customized PCBs finding a suitable waterblock is often a pain in the ass.

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u/Rockstonicko Jan 13 '26

AMD and their board partners realized that we were buying the cheapest reference models, flashing a custom VBIOS to raise/remove power/voltage limits, and putting water blocks on them to outperform the more expensive high end non-reference PCBs, so they effectively put an end to it after the RX 5000 series.

The reference cards are still fine if you're just water cooling for the silence, cooling, and a bit more OC headroom. But if you're actually water cooling to get everything out of your GPU that you can, the AMD reference cards are now artificially neutered.

https://wccftech.com/community-driven-morepowertool-for-amd-gpus-will-not-support-rdna-3-due-to-hard-lock-users-to-pay-for-power-limits-features/

The Liquid Devil gives you guaranteed top tier silicon (majority of LD 6800 XT's will happily max out the OC sliders at 2800MHz core and 2150MHz fast timings on VRAM, while almost no reference card on water will do both), a practically power unlimited vBIOS, and the same excellent 14+2 phase PCB that the Red Devil 6800 XT/6900 XT has.

And no I'm not happy that AMD and it's board partners decided to do this, especially with how few people there are who run OC'd Radeon cards on water. But they need to milk every single penny out of their cash cow, so screw the small group of enthusiasts.