Akitio Thunder 2 and Thunder 3 - fan noise level reduction
Is it possible to connect Noctua by scheme: power go from Akitio PCB (2 wires) and control go from GPU (another 2 wires)? You did not try that?
I fear for the power load on the GPU...
Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts