Thank you for your reply.
My motherboard model is DELL 0T2HR0. It's the default motherboard inside a Dell XPX 8930. This board does not have a USB 2.0 header, nor any 5V 3-pin or 12V 4-pin header.
I have 7 EZDIY Fans, 3 Corsair RGB fans from the Corsair 5000X, a Ventro V5 CPU cooler ARGB Fan...