One of my 3 GTX 980ti has died after 6 years faithful service. To my surprise only DX12 performance took an instant 28% hit with just two cards remaining. DX11 performance stayed the same or became even slightly better. Now we know, DX11 and below rely on the driver support for SLI, DX12 must have multi GPU Support in the application to work. So I digged through my 3DMark results. Consistent Fire Strike Ultra (DX11) results over 10000 points up to the end of 2017. After that, bang, barely 7000, until the one card died. Now suddenly almost 8000 points. Time Spy Extreme (DX12) always scored around 6500 until that one card died. Now it's slightly below 5000. I still call this a dick move by Nvidia. Was it not enough to simply limit 10 series and beyond cards to a maximum of two ? Or does that hardware setup for TRI and QUAD SLI still work flawlessly and can't be capped, so they have do do it forcefully in the driver ?