can you run pcie 4.0 in 3.0 slot - PCIe x4 (in x8) clarification | TrueNAS Community 888 slot casino

Hi Can someone help me understand what PCIe 4.0 x4 (IN x8) Slot means? I have a https://www.supermicro.com/manuals/motherboard/X12/MNL-2367.pdf X12STH-F/LN4F It has 3 slots: 1 PCIe 3.0 x4 (in x8 slot), 1 PCIe 4.0 x16, 1 PCIe 4.0 x4 (in x8 slot) I want to put both an HBA 9207-8i (x8) and...

YES is the short and simple answer to whether a PCIe 4.0 device can work in a PCIe 3.0 slot. You can plug a PCIe 4.0 device, like a graphics card, into a PCIe

Khe cắm mở rộng: 1 x PCIe 5.0 x16 slot, 1 x PCIe 4.0 x16 slot (supports x4 mode), 1 x PCIe, 4.0 x4 slot, 2 x PCIe 3.0 x1 slots.