I have an EVGA 3070 and also had the sag issue. My case came with a part to support the GPU though, but I didn't realize until I solved it another way: I just d

I have an EVGA 3070 and also had the sag issue. My case came with a part to support the GPU though, but I didn't realize until I solved it another way: I just doubled up those plates that you screw the GPU into so there was no way it could pivot and sag.