Since I am looking for ways to get a HW acceleration for video Detectors in Frigate ( TS-473A with PCIe-to-Coral Dual Edge TPU M.2 - #6 by JasonH ), I came accross the thought of using an Nvidia GPU, since it is listed in Frigate ( Recommended hardware | Frigate ).
I thought about, that this seems only possible with an external power supply. Do you supply your card with an extra power supply? Since you mentioned, that the card is dropping out under load.