FPS drops in Borderlands 3

Need help, regardless of the graphics settings, frequent reductions in FPS, CPU and GPU are only loaded at 60%, RAM at 50, but the hard drive jumps from 40 to 100% and hangs at 100% when FPS reduced, I already turned off all Windows services that might be the reason, I also checked the disks, fragmented them, can there be a reason that the game is installed on the same disk as windows?
1060 6gb
8 gb RAM
i3-8100 3,60 GHz

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