slow install in hdd

specs:

cpu - i7-6700k

ram - 8gb

mobo - asus maximus ix code

storage - one ssd and two hdd (ssd is for windows boot only and the 1st hdd is for windows, while the 2 hdd is for mac os )

the guide i followed was opencore guide in the sidebar

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basically the problem im encountering is something like this

ive tried formatting the hard disk from apfs to mac os journaled but still same