Pcie lane problems - Hardware

& PCIe Lane Configurations for B550 Unify Unify-X m 2 slot with pcie x4 lanes You need to configure the slot that the xpander card is installed in to “x4+x4+x4+x4” as opposed to x8 or x16 The motherboard BIOS mayalso m2_1 slot SATA SSDs and SSDs that use two PCI Express lanes tend to use keys B and M to maximize compatibility, since both connectors can deliver both

m2 slot mainboard A PCIe x8 to dual NVMe card typically requires the ability to access two separate PCIe x4 lanes, one for each drive Normally this can