I use a midimen delta1010 since years(I think 6 years now) which has a 19" inch rack with the converters built in.
It's connected trough a midimen pci card.

The main reason I bought it six years ago was that the external converters took the load from the pc processor, which were not that fast those days.
But indeed the bonus is also it's very silent and has 8 ins and 8 outs suitable for any direct instrument input.

So far the cards works with all software I use.

Fred