1 x pcie 3 0 x16 slot ✓ Resolved* PCIE x16 slot stuck at x1 mode while gaming

1 x pcie 3 0 x16 slot
Bandwidth: legacy PCIe - 250MBs per lane current PCIe1 x pcie 3 0 x16 slot It doesn't matter, the cards will work normally But yes there is a single AM3+ motherboard with PCI-E : The ASUS Sabertooth 990FX Gen3

1 x pcie 3 0 x16 slotExpansion Slots: 3 x PCI Express x16

1 x pcie 3 0 x16 slot PCIe will work in a PCIe or PCIe slot Slot Size The smallest PCIe slot will run at x1 speed, while a full-size PCIe slot will run at x16