With fewer slots than we’ve seen on the ATX versions of the B550 chipset the Aorus Pro AX ITX actually ends up being, on average, more PCI Express 4.0 than the rest. The sole PCI Express slot is the 64Gb/s PCIe 4.0, whilst there is one PCIe 4.0 and one PCIe 3.0 M.2 slots for your storage needs.
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