Compatible with chassis with ‘open’ PCI slot design. Modding must be required GPU support: Dual Slot GPU Vertically Display a VGA Graphic Gard Must change PCI-E Slot setting in BIOS to Gen3/PCI-E 3.0 before installing the GPU to work with Gen4 / PCI-E 4.0 GPUS Easy Installation, placing tray over all seven PCI slot spaces
