Here is PCB shot of Gainward Phoenix 3080 GS : r/nvidia
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How to cool rtx 3080/3090 vram in mining ethereum gainward Phoenix GS 45% and 100% gpu fan speed top - YouTube
Nvidia RTX 3080 Ethereum Hashrate and Mining Overclock settings on HiveOS Linux - Linux Tutorials - Learn Linux Configuration
Nvidia GeForce RTX 3080 Ti Comes With Reduced Mining Hashrate Too
Gainward Nvidia Rtx 3080 Ti 12gb Gddr6x Computer Game Graphics Cards, Rtx 3080ti Hash Rate After Unlocking 115mh/s Rtx 3080 Ti - Pc Video Control Module - AliExpress