suspecting hardware issue

hi everyone, i am new here i come here for help after suspecting i have a hardware issue after ruling out every software solution i came across, so far, i've: * tested countless software solutions * changed various BIOS settings/stock bios setting used too * tried different game settings, lower settings/higher do not change the performance/smoothness * fullscreen or window does not change the performance either * no errors in different OCCT tests * used different memory speed 6400/6000/4800, no change * different gpu were used (1050 ti, rtx 3070, rtx 3060), games did not feel different * nvidia studio drivers/game drivers were used, old versions of nvidia drivers too * tried different mouse polling rates * clean install of windows * reinstalled GPU drivers multiple times using DDU * SSD health checked, 99% health and tested with crystaldiskmark (ssd is a sn850x) * no daisy cable being used * tried multiple pci setting in the bios for the gpu, no change with gen... Read more