how to check motherboard pci slot: COD# New PCI Express PCI-E to PCI Adapter Card .... Graphics Card Slot Types Explained (GPU Width Differences). PCI Express X16 vs. X8 vs. X4 vs. X1 Slot: Difference, Use & Compatibility ... .
This PCIE to PCI Adapter Card lets you use low profile PCI expansion cards in a server or desktop motherboard
PCI Express slot. Compliant with PCI Express ...
first I will check physically, some motherboard may have limited PCI Express
slot, and power supply compatibility with graphic card.
Once you’ve confirmed whether your motherboard supports SLI/NVLink/CrossFire or not, you’ll still want to double-check its PCI Express Lanes spec.