express slot ✓ Could your heavy GPU rip the PCI Express slot out of

express slot ExpressCard only ever had a single PCIe lane, and only ever got up to PCIe signaling, so it's going to be way slower than a modern x16 slot as a generalexpress slot Slot Clock Configuration, Set in Platform Designer, RO , Reserved, 0, RO Table 57 PCI Express Device Capabilities 2 Register

express slotexpress-cards PCIe is an updated version of the PCI protocol Similar to Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8 connection

express slot The only way to tell if it's the pcie slot or the gpu is to try both gpu's in the first pcie slot I know it's a pain when water cooling but this will tell you