GTX 760 in a PCIe slot

Compatibility of PCIE bifurcation between Hyper pcie 2 slot I am not sure if this is due speed issues or lack of enough power on the PCIe slot, even though the GPU has an 8 pin power connector Please be aware of pcie slot bracket List of Motherboards with 2 PCI-Express x16 Slots: ASUS TUF Gaming B760M-BTF WiFi, ASUS TUF Gaming Z790-BTF WiFi, MSI B760M Project Zero, GIGABYTE Z790

pcie 2 slot PCIe x16 is just the next version of the Express slot So it is newer and faster There is often some confusion because of the name change