How many PCI-E lanes does the Ryzen 9 3900X support?

1 x pcie 4 0 x16 slot   Dan 138 agen slot

The number of lanes that a PCIe device supports is typically expressed like “x4” for 4 lanes, “x8” for 8 lanes, and so on x1, x2, x4, x8, x16 PCIe Gen 3

Memory Slots 8 · 6 · 4 · 2 Graphics Interface PCIe · PCIe · PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1 SSD Slots 5 x · 4 x  PCIe is backwards compatible to the previous generations A PCIe Gen 2 card will work an a Gen 4 slot at Gen 2 speeds However, 4 PCIe lanes

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