Random and Unexpected System freezes, I have to do hard reboot, Opencore 0.7.3 Big Sur 11.5.2

I thought my system was stable but I just got a random system freeze, had to do hard reboot. What could possibly be the cause? USB mapping done. Kexts updated. Opencore 0.7.3. everything seems to be in place. This really driving me mad. Because they are unexpected and random 😞. Hackintool doesn't show any Logs after the reboot. Appreciate the help.

I'm on Mac OS Big Sur 11.3 [ same issue with 11.5.2 ]. It can be stable for hours then a random freeze.

My Config :

Mobo: Gigabyte Z390 Designare [ Bios F9j ]

CPU: Core i9 9900k

GPU: Red Devil RX 5700 XT 8G GDDR6

RAM: CORSAIR Vengeance RGB Pro 16GB x2 = 32GB

NVME: Samsung 970 EVO PLUS 1TB M2 x2 [ one for Windows / one for Mac OS ]

SSD: 256GB Sandisk Ultra [ Zorin OS / Windows 11 ]

PSU: Cooler Master V750

Monitor: MSI MAG322QVR 1440p 144hz curved 32''

submitted by /u/zakaghbal
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