PCI Express Base Specification

pci 4 in pci 3 slot   Dan pcie2 slot

PCI Express

#4 pci-e gpu are backwards compatible with pci-e slots, you might lose a few fps here and there but nothing to be concerned for PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will

safe with deposit slot If you actually have a graphics card that, in conjunction with other cards and chipsets, exceeds the maximum bandwidth of your PCIe slot, a 4 · 2 Graphics Interface PCIe · PCIe · PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 SuperSpeed Storage：3*PCIe Connectors; EZ-Latch：PCIe