Phanteks Vertical GPU Bracket + Meshify C : r/Phanteks
O11D MINI PCIe 3.0/ PCIe 4.0 VERTICAL GPU BRACKET KIT
Lian Li O11D-1X Vertical GPU Bracket KIT PCI-E 3.0 for O11 Dynamic Only (NOT Compatible with PCI-E 4.0 VGA Card) : Amazon.co.uk: Computers & Accessories