Hi,
Even with a Pro Tools HD iLok you are limited to 32in/32out.
The only way I see, 2x Focusrite RedNet 5 and a Pro Tools HD, HD Native (Thunderbolt) or HDX system would work….
But thats then a really high price you will pay… Stupid limit of Pro Tools….
T112 – iDR48 – Dante – v1.9