Amazon.com: BitFenix Prodigy M 2022 mATX/Mini-ITX Gaming PC Case, 3 ARGB Fans Included, RTX 3090 or RX 6900 XT Ready, Vertical GPU and Water Cooling Mounting, Tempered Glass, USB 3.2 Type-C Port,
Lian Li O11D Mini: ITX/MATX + Vertical GPU + Top & Bottom Rads = Possible : r/watercooling
Vertical mount GPU in a darkFlash DLM21 Mesh mATX case - YouTube
Full ATX, Computer Case, Open Air Computer Case, ATX AIR - Etsy
Amazon.com: NZXT H7 Flow - CM-H71FG-01 - ATX Mid Tower PC Gaming Case - Front I/O USB Type-C Port - Quick-Release Tempered Glass Side Panel - Vertical GPU Mount - Integrated RGB