@vonhelmholtz To respond your assumption, the answer is "typically yes, but not always".
As oddiofyl mentions, he still prefers the coax out from the Aurender to the USB. While the higher end Aurenders have even better clocks, the N200's coax may still be better than the USB interface to your Holo. You would have to experiment and decide.
Sometimes, but rarely, even with USB, some DACs can be set to prefer the internal clock of the source vs in the DAC. Very, very rare.
And in the case of T+A DACs, both the SDV 3100 HV and the DAC 200 both have some masterclock functionality built in, so it still optimizes the clocking coming in from the Aurender when using coax/AES.
And again, with the N200 vs the higher ends via USB, what you are still getting in the other units are a more robust power supply and better isolation that will give you additional tonal density and clarity. I would say something like the N20 would give you more body and meat on the bones in the same way your new phono stage does, where as the N200 will sound just a bit leaner/neutral. The N200 gets very close to the N20, but there is still an audible improvement in the N20 (say 20% better) but at double the price. The N20 is the sweet spot for near end game at its price point, but the N200 is probably Aurender's best unit for price/performance ratio.