I have been using Focusrite Saffire PRO 14 for years on my iMAC via Firewire.
Now, I don't have FW port on my Gigabyte Z390 Aorus ULTRA mobo, so I wonder would it be better to buy PCI card with Firewire ports, or to switch to USB (3.0 or 3.1) audio interface ( which means I need to buy new one)...