What are the dimensions of a GPU riserPC expansion slot

Package ContentsRedmi Note 13 Adapter USB Type-C Cable SIM Eject Tool Protective Case Quick Start Guide Warranty Card*Contents in the package may

Standard ATX specifies length to be 12 inches with width varying from to inches Maximum number of expansion slots is seven

vslot The board has two expansion slots, 1xPCI and 1xPCIe However, the PCIe seems to be one slot higher than any case I am looking at The PCI slot

goblin valley slot canyon Many 1U and 2U cases servers mount full-size PCIe cards horizontally using a PCIe riser card Find a server with a case that has enough room