The Flex B-20 bracket is a great supplement to your case allowing you to mount your GPU vertically. This makes Flex B-20 an attractive companion to select Fractal cases like the Define 7 and the Define 7 XL.No holds barredFits ATX cases with bridgeless expansion slots (no bars between slots) like the Define 7 and the Define 7 XLMounts easily with included captive thumbscrewsCool as can beAccommodates full-length GPUs with single or dual-slot brackets and coolers of any sizePlaces the GPU away from the side panelTriple the powerHeavy-duty double-sided wiring delivers up to 3x the power of traditional riser cables.Full PCIe 3.0 x16 support for a wide range of compatibility.