Why does Final Fantasy XV freeze when entering towns on Intel 545S?

I felt totally ripped off when driving the Regalia through Eos; the screen would freeze every time I entered a town, killing my 4K immersion. I tried disabling all background indexing services in Windows, but loading times only dropped by 0.5s per GamePP, which was basically useless. I finally used GamePP NVMe Queue Depth Configuration to expand the virtual queue limit from 32 to 128 and enabled the forced write cache flush policy. Now, disk response time is a steady 2-5ms per GamePP, and temps stay at 38-45℃ per AIDA64.