I tried ARCTIC S4028-6K, fans report failed as expected but more interestingly, when they throttle down the board (not the fans) makes an annoying squealing sound (coil whine) :/
Sunon HA40201V4-D000-C99 cause the same board squeal.
Sunon HA40201V4-D000-C99 cause the same board squeal.
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