adding 2 or three total Gigabyte Thunderbolt 3 Cards

I know it is overkill to have more than 2 thunderbolt 3 ports in most situations, but there are still some situations which require it. TB3 monitors are easily daisy-chain-able, however most audio equipment is not. Does anyone know if it would be possible to add in 2 or 3 Gigabyte TB3 cards? There is only 1 TB3 header on even the most fancy Motherboard, but there is some talk of the PCIE cards working if I short (connect) pins 3 and 5 on the 1 or 2 extra pcie cards (

I know that any extra TB3 PCIE cards I add past the first one, hot plug will probably not work, additionally no display passthrough will work (the header and potentially USB in titan ridge models is needed for this)

submitted by /u/mooseknuckle_king
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