Advice for buying my next Sound Interface

Julien Bayle's icon

Hi there,
I'm looking for an audio interface.
I come from RME Fireface UC (but after LONG time use, usb part broke and repairing it cost half the price of it)

I checked MOTU Ultra Lite mk5, MOTU Ultra Lite AVB.. this kind of models. Mainly used in portable context I need to move it often (performance, then go back to studio etc)
Internal Audio routing required (cuemix, totalmix how they call that), not a lot of inputs but some. outputs... I wouldn't need more than 4 actually.

The AVB provides USB2 and the other one USB C.

Main use will be on a windows 10 computer.

Would you have any experiences with MOTU Ultra Lite AVB ? Would you advice something else ?
I'm very curious of latency with USB-C mk5. They are talking about 2.4ms (96kHz, 32 samples buffer) but I'm always dubitative.

This one is about 745€, I'm curious if I could have a smaller model (less outputs, especially) for a nice price drop.

As usual, any of your insights would be great.
Thanks.