Jcat netcard XE and USB PINK FAUN on which PCIE ports?

@yage - the OP is not wasting his money because the USB transport plays a significant role in the sound quality.

@cpasmoi - I don't know that there is a specific recommendation here.  You really don't need CPU direct interface speeds because the card re-clocks all data going out on the USB connection anyways.  I have read that Pink Faun recommends the first slot (the slot farthest away from the CPU).  That's where I have my Pink Faun card.  Do you have a OCXO clock on the Pink Faun card?  You might be space limited here, especially if you have a video card.  Otherwise, you can use the HDMI output on the motherboard, but only if you have a embedded integrated graphics AMD processor (the model names end with a "G", such as 3600G).

Be aware that there is a special condition on the non-shielded PCI slot:  PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.

Sorry, I can't remember.  It might have been in some forum thread (maybe in the audiophilestyle.com forum).  Take it with a grain of salt.  It might be best just to try on your own.  That being said, the most important part of implementing these cards is the power supply line.  I would recommend Farad Super3 as power supply, but there are others which are great as well.