Question - PCIE x8 into a PCIE x4

The Matrox C900 PCIe x16 graphic card powers nine displays from a single That is, a device designed for Gen-3 PCI Express functions at Gen-2 speeds

Yes , connecting a PCIe GPU to a PCIe port would affect its rendering capability and speeds This is because PCIe has double the

pcie4 slot Cooler Master MasterAccessory Universal Vertical Graphics Card Holder Kit V3 , ATX and m-ATX Support 4 PCi slots for installation GPU

pcie 2 slot — The most common use for a PCIe x16 slot is a graphics card, or GPU Heavy PCIe Gen 3, requiring PCIe or newer: GPU, Required PCIe Gen & Lane