Amazon.com: LINKUP - EZ Vertical GPU Bracket Holder with Ultra PCIe 4.0 X16 Gen4 Riser Cable 90 Degree Right Angle 15cm Black Kit : Electronics
Amazon.com: EZDIY-FAB Vertical Graphics Card Holder Bracket with ARGB 5V 3Pin LED,GPU Mount,Video Card VGA Support Kit with PCIE3.0 Riser Cable- Black : Electronics
Best Vertical GPU Mount For Any Size Case! - YouTube
Meshify C Vertical Gpu - Noctua Chromax Black n White by Radio.head. - AMD Ryzen 5 3600X, Radeon RX 5700 XT, Fractal Design Meshify C ATX Mid Tower - PCPartPicker
Lian Li O11D Mini: ITX/MATX + Vertical GPU + Top & Bottom Rads = Possible : r/watercooling